Diet for colon cancer: what you can and cannot eat


General rules

Cancer of the intestinal mucosa is a widespread type of cancer, especially in the age group after 55 years. The main morphological variant of oncological tumors are adenocarcinomas . Most often, malignant neoplasms are formed in the tissues of the rectum/colon ( colorectal cancer ), which is characterized by early metastasis through lymphogenous/hematogenous routes to the lymph nodes, liver, peritoneum, bones, as well as germination into the pelvic organs.
The high incidence of this type of cancer is due to the specific function of this part of the intestine, in which there is prolonged contact of feces ( toxins , products of metabolic reactions) with the intestinal mucosa, diseases ( sigmoiditis , ulcerative colitis , polyps, Crohn's disease ) and the nature of the diet, which is dominated by animal fats, proteins and refined foods with insufficient intake of plant fiber into the body. With this type of nutrition, putrefactive processes predominate in the intestines, and the products of protein putrefaction and bile acids produced by the intestinal microflora have a carcinogenic effect.

The main clinical symptoms of colorectal cancer are:

  • weight loss, lack of appetite;
  • aversion to meat products;
  • long-term bowel disorders (constipation/diarrhea);
  • the presence of blood in the stool (even black);
  • feeling of heaviness, abdominal pain;
  • and also, in later stages, weakness, increased fatigue, anemia.

Treatment of colorectal cancer is surgical followed by (preliminary) radiation / chemotherapy . Diet for bowel cancer is an integral method of maintenance therapy, allowing to improve treatment results, reduce the side effects of radiation/chemotherapy and improve the quality of life of patients. Nutrition for intestinal cancer is based on a number of factors, namely the presence/severity of nutritional deficiency, especially during radiation/chemotherapy, the presence and type of metabolic disorders, the period of the disease (pre/postoperative), the physical and psychological state of the patient .

Nutrition in the preoperative period in the absence of tumor-induced weight loss is based on the principles of rational nutrition with an energy balance at the level of 2400-2600 kcal/day. The diet provides for a reduction in fat consumption by 20-25% of the total daily calorie content due to refractory animal fats, limiting the content of refined (easily digestible) carbohydrates, foods containing food additives, fast food, sausages, semi-finished products, carbonated drinks, chips, confectionery products, salt/salty foods and food, fatty red meat, especially fried and smoked, increasing the proportion of fruits, vegetables and grains in the diet.

The diet for intestinal oncology should be balanced in terms of basic food nutrients, include all food groups with a predominance of dairy and plant products (at least 600 g of vegetables/fruits, whole grains and fermented milk products).

In cases of anorexia-cachexia and even with normal body weight, patients with a high risk of its development need to receive enhanced nutrition 10-14 days before surgery, since surgery for intestinal cancer causes nitrogen losses and increases the need for energy even in the absence of correction nutrition can lead to the development of a negative nitrogen balance and various water and electrolyte disorders. Therefore, timely transition of the patient to enhanced nutrition helps protect against weight loss in the postoperative period and during radiation/chemotherapy.

The energy component of the diet during this period should be 3500-4000 kcal/female. According to the recommendations, the daily protein requirement should be 1.2-1.5 g/kg, and the energy requirement should be 25-35 kcal/kg, which is achieved by including high-calorie foods in the diet: sprats, red caviar, creams, chocolate, pates, eggs, honey, cream, nuts, cream, cheeses, which are recommended to be consumed both as main products on the menu and used for snacks.

In the postoperative period, dietary nutrition should be as gentle as possible. After resection of an intestinal tumor, a surgical Diet 0A - fasting for 1-2 days, then the diet is gradually expanded, starting with rice water, weak broth, and berry jelly. In the following days, slimy soups, well-mashed porridge cooked in water (oatmeal, buckwheat), a protein omelet/soft-boiled egg, and later a steamed soufflé/puree of fish and meat are added.

From the second week, the diet includes rice soup with pureed vegetables, milk/semolina and pureed buckwheat porridge, mashed potatoes, cottage cheese diluted with cream, steamed meat cutlets, sour cream, baked apple puree, yogurt, jelly. This diet provides maximum rest for the intestines, forms little feces, and does not cause flatulence . If constipation occurs, from the 7th day onwards, the diet includes boiled beets, dried apricot/prune puree, and kefir.

After removal of an intestinal tumor in the first 4-6 months, Table No. 4B :

  • Food should be well pureed, fresh and easily digestible.
  • You need to eat food in small portions 5-6 times a day, chewing thoroughly.
  • Soups (cereals/vegetables) are prepared in a weak broth with the addition of meatballs and minced meat.
  • Cereals are pureed, vegetables (zucchini, carrots, potatoes) are finely chopped.
  • It is important to drink enough fluids to prevent constipation.
  • Meat consumption is limited; it is preferable to eat lean fish. It is important to have yogurt and “live” kefir in the diet, which help normalize the intestinal microflora.
  • Bread - only dried wheat bread in small quantities.
  • Vegetables are boiled and well pureed.
  • Porridges are prepared in water, excluding corn, barley, millet, and pearl barley.
  • Whole milk, cream/sour cream are added to dishes, fermented milk products are allowed to be consumed without restrictions.
  • Recommended drinks include juices diluted with water, rosehip infusion, weak tea, and still mineral water.

Excluded from the diet are fatty broths, fatty varieties of red meat, wholemeal bread, coarse and irritating vegetables (radish, garlic, radishes, spinach, onions, celery), canned meat/fish, any fresh bread, legumes, hot sauces, margarine, natural milk, smoked meats, cooking fat, butter dough, coarse cereals, pepper, pork and beef fat, mustard, cakes, ice cream, chocolate, carbonated drinks.

In the later stages, the diet should contain an increased amount of dietary fiber and vitamins (in the absence of diarrhea) due to the inclusion of cereals, whole grain bread, vegetables and fruits. Meat should be consumed with caution, giving preference to sea/river fish and seafood.

Animal fats and products containing trans fats should be completely excluded from the diet, giving preference to vegetable oils containing large quantities of antioxidants. It is still prohibited to consume foods that promote rotting/fermentation and stimulate the secretion of digestive juices (celery, sorrel, mushrooms, horseradish, radish, mustard, radishes, turnips). Gradually, pureed foods are reduced in the diet and well-cooked, not pureed food is introduced. Good tolerability indicates normalization of intestinal secretory/motor function.

Food option

What should be the diet for colorectal cancer? Oncology is often provoked by unhealthy diet. A special diet for rectal cancer is mandatory. Carcinogens can lead to the appearance of cancer cells. Therefore, it is important to completely exclude products that contain them from the daily menu. These include:

  • hydrogenated oil (which is colored and has a high amount of fatty acids);
  • fish grown in artificial reservoirs (using antibiotics for nutrition);
  • sweeteners (refined sugar, soda);
  • white flour (when it is produced, chlorine-containing substances are used, it contains practically no useful elements);
  • meat products (bacon, sausages, frankfurters);
  • alcoholic products;
  • fast food.

Authorized Products

Dietary nutrition for intestinal cancer includes the following products in the diet:

  • Dried wheat bread.
  • Soups cooked in weak meat broth/vegetable broth with well-cooked vegetables and cereals. You can add meatballs to the soup.
  • Dietary varieties of poultry (chicken and turkey), steamed, boiled or cooked in the form of cutlets.
  • Low-fat fish in the form of cutlets/quenelles or in pieces.
  • Crumbly porridges (except pearl barley, wheat), chopped pasta, vermicelli, noodles, cooked in water or with the addition of milk (cream), you can make casseroles, make pancakes, puddings.
  • One or two steamed/soft-boiled eggs per day.
  • Low-fat fermented milk products/freshly prepared cottage cheese are allowed to be consumed daily; sour cream, cream and milk can only be added to ready-made dishes. Butter up to 10 g per serving per dish.
  • Vegetables (carrots, potatoes, zucchini, cauliflower - finely chopped, boiled). If tolerated well, you can add green peas, beets and green beans to soup.
  • Garden greens are allowed.
  • Homemade sauces with meat/fish broth and milk.
  • Sweet and ripe fruits without peel, at least 200 g per day.
  • Desserts - marshmallows, marmalade, caramel, marshmallows, jam.
  • Drinks include coffee/tea with milk, cocoa with water/milk, juices diluted with water (except grape and cabbage), still mineral water, compotes, jelly, rosehip decoction.

Table of permitted products

Proteins, gFats, gCarbohydrates, gCalories, kcal

Vegetables and greens

zucchini0,60,34,624
boiled cauliflower1,80,34,029
boiled potatoes2,00,416,782
carrot1,30,16,932
parsley3,70,47,647
boiled beets1,80,010,849
dill2,50,56,338

Fruits

oranges0,90,28,136
pears0,40,310,942
tangerines0,80,27,533
apples0,40,49,847

Nuts and dried fruits

dried pears2,30,662,6249

Cereals and porridges

buckwheat (kernel)12,63,362,1313
semolina10,31,073,3328
oat groats12,36,159,5342
cereals11,97,269,3366
Wheat groats11,51,362,0316
white boiled rice2,20,524,9116

Flour and pasta

pasta10,41,169,7337
milk pasta11,52,967,1345
noodles12,03,760,1322

Bakery products

white bread crackers11,21,472,2331

Confectionery

jam0,30,263,0263
jam0,30,156,0238
marshmallows0,80,078,5304
fruit and berry marmalade0,40,076,6293
meringues2,620,860,5440
paste0,50,080,8310

Raw materials and seasonings

honey0,80,081,5329

Dairy

skim milk2,00,14,831
condensed milk7,28,556,0320
sour cream2,820,03,2206
acidophilus2,83,23,857

Cheeses and cottage cheese

cheese24,129,50,3363
cottage cheese17,25,01,8121

Meat products

boiled beef25,816,80,0254
boiled veal30,70,90,0131
rabbit21,08,00,0156

Bird

boiled chicken25,27,40,0170
boiled chicken drumstick27,05,60,0158
turkey19,20,70,084

Eggs

soft-boiled chicken eggs12,811,60,8159

Fish and seafood

pink salmon20,56,50,0142
Red caviar32,015,00,0263
black caviar28,09,70,0203
cod roe24,00,20,0115
salmon19,86,30,0142
cod (liver in oil)4,265,71,2613
trout19,22,197

Oils and fats

vegetable oil0,099,00,0899
peasant unsalted butter1,072,51,4662
linseed oil0,099,80,0898

Non-alcoholic drinks

mineral water0,00,00,0
green tea0,00,00,0
black tea20,05,16,9152

Juices and compotes

Orange juice0,90,28,136
Cherry juice0,70,010,247
jelly0,20,016,768
Strawberry juice0,60,47,031
tangerine juice0,80,38,136
carrot juice1,10,16,428
tomato juice1,10,23,821
pumpkin juice0,00,09,038
Apple juice0,40,49,842
* data is per 100 g of product

Diet during surgery and treatment: chemotherapy and radiation

What can you eat for bowel cancer during chemotherapy and radiation if patients suffer from side effects:

  • fatigue;
  • diarrhea or constipation;
  • taste changes;
  • food aversions;
  • nausea and vomiting.

To prevent these disorders from leading to weight loss, you need to restore your appetite with high-calorie foods: nuts and dried apricots, raisins and prunes, with a pleasant smell: strawberries and other “fragrant” berries and fruits, vegetables, mushrooms and meat: liver and poultry, lamb, rabbit with fragrant herbs and seasonings. You need to eat food at room temperature, it smells better.

Vegetable and animal oils should not have an old and rancid odor that discourages appetite. Oil bottles should not be stored in metal containers or exposed to light. Dishes should be prepared only from fresh products, there should be no “dry food” - any sandwiches, large quantities of biscuits and crackers. Dishes should not burden the liver and kidneys, so as not to aggravate nausea and vomiting, and also to quickly remove harmful carcinogens and chemical drugs.

After the operation, food should be reasonably fractional and ground, as indicated above. Vegetables grown in a greenhouse are not suitable after chemical and irradiation because they contain pesticides. To restore your appetite, you can eat a salad with a sour or pickled (fermented) apple and cabbage in small quantities or drink a glass of tomato juice.

After surgery and therapy, the menu should contain 4 main product groups:

  • protein;
  • fermented milk;
  • bread and cereals;
  • fruit, berry and vegetable.

Conclusions! Healthy and fresh foods and a proper diet will help defeat such a terrible disease as intestinal cancer. After surgery and therapy, intestinal flora can be restored by home-prepared yoghurts, kefir, whey, and appetite by foods with a pleasant smell: young vegetables, mushrooms and herbs, citrus berries and fruits.

Fully or partially limited products

The diet for intestinal cancer includes the exclusion of the following foods:

  • Any fresh bread, pastries, muffins, products made from refined flour.
  • Animal/cooking fats, smoked meats, fatty meat/fish, poultry meat, any canned food, mayonnaise, margarine, sausages, marinades, pickles.
  • Concentrated broths.
  • Fried food.
  • Products containing stabilizers, dyes, emulsifiers, preservatives, sweeteners, which are highly oncogenic substances.
  • Legumes and foods that irritate the intestinal mucosa (onions, garlic, radishes, radishes).
  • Strong coffee, chocolate drinks with carbonation.

Table of prohibited products

Proteins, gFats, gCarbohydrates, gCalories, kcal

Vegetables and greens

vegetables legumes9,11,627,0168
canned vegetables1,50,25,530
swede1,20,17,737
cucumbers0,80,12,815
parsnip1,40,59,247
parsley (root)1,50,610,149
radish1,20,13,419
white radish1,40,04,121
turnip1,50,16,230
celery0,90,12,112
celery (root)1,30,36,532
horseradish3,20,410,556
garlic6,50,529,9143
spinach2,90,32,022
sorrel1,50,32,919

Fruits

bananas1,50,221,895
melon0,60,37,433

Berries

grape0,60,216,865

Mushrooms

mushrooms3,52,02,530

Nuts and dried fruits

dried fruits2,30,668,2286

Cereals and porridges

pearl barley9,31,173,7320
millet cereal11,53,369,3348

Flour and pasta

pasta10,41,169,7337

Bakery products

Old Russian grain bread9,62,747,1252
Rye bread6,61,234,2165

Confectionery

candies4,319,867,5453
cookie7,511,874,9417
butter cookies10,45,276,8458

Ice cream

ice cream3,76,922,1189

Cakes

cake4,423,445,2407

Raw materials and seasonings

seasonings7,01,926,0149
mustard5,76,422,0162

Meat products

pork16,021,60,0259
salo2,489,00,0797
bacon23,045,00,0500

Sausages

dry-cured sausage24,138,31,0455
smoked sausage9,963,20,3608

Bird

duck16,561,20,0346
goose16,133,30,0364

Eggs

hard-boiled chicken eggs12,911,60,8160

Fish and seafood

dried fish17,54,60,0139
smoked fish26,89,90,0196
canned fish17,52,00,088

Oils and fats

vegetable oil0,099,00,0899
animal fat0,099,70,0897
cooking fat0,099,70,0897
rendered pork fat0,099,60,0896

Non-alcoholic drinks

bread kvass0,20,05,227
black coffee0,20,00,32

Juices and compotes

apricot juice0,90,19,038
grape juice0,30,014,054
plum juice0,80,09,639
* data is per 100 g of product

Reviews and results

According to patients, therapeutic nutrition for intestinal cancer does not cause much psychological discomfort and promotes the rapid restoration of intestinal function.

  • “... She underwent surgery for sigmoid colon cancer, and then radiation therapy. At first I felt terrible - constant nausea and vomiting, I had to force myself to eat. Then, after 2 weeks, my appetite began to recover. I'm on a diet. Everything is stewed, finely ground, no spices. I practically don’t eat fresh vegetables, as I get bloating and flatulence. The doctor says that over time, intestinal function will be restored, but you will have to follow a more or less strict diet for the rest of your life.”
  • “... They removed the intestinal tumor along with part of the intestine. I walked with a colostomy for 2 months, and then everything was “returned” to its place. I adhere to a strict diet and cook everything in a double boiler, which makes the process of preparing dietary dishes much easier. For the first six months, the diet included only steamed dishes. Now I’m introducing baked and little by little raw vegetables and fruits into my diet. I introduce new foods little by little and look at the intestinal reaction, trying to create the right diet.”

Principles of proper nutrition

Compliance with certain rules helps to minimize the consequences of disruption of digestive processes in case of rectal cancer:

  • the menu must include fresh dishes (long-term storage of food in the refrigerator is unacceptable);
  • Only steaming or boiling is suitable;
  • food is crushed to the maximum extent (pureed), served at room temperature;
  • During the eating process, it is important to thoroughly chew with abundant wetting of the food with saliva;
  • Foods that provoke constipation, gas formation, and the transition of healthy cells to malignant ones should be removed from the diet;
  • Monotony is prohibited, as it can cause a weakening of the patient’s mental and physical condition.
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