Translated into Russian, large cell cancer, abbreviated as RCC, is a malignant tumor that develops in the tissues of the mucous membrane of the gastrointestinal tract. Statistics show that in 98% of cases, this type of cancer occurs in the stomach, less often in the intestines (in men, the pathology is localized in the colon). In children and adolescents, tumors are most often diagnosed in the esophagus, larynx and thyroid gland. Malignant transformation of tissues of the adult population and the elderly is influenced by factors such as alcoholism, carcinogenic radiation, smoking, infection with polymorphonuclear forms of bacteria, abuse of spicy and salty foods, excess fatty foods, lack of fiber and vitamin C, and an unbalanced diet. Due to the above habits and practices, people are more likely to suffer from this serious illness. For a large type of malignant tumor, two forms of manifestation of this disease are characteristic, depending on the location. The first is adenocarcinoma, the second is squamous cell carcinoma. A tumor in adults with adenocarcinoma of the prostate system can form in the inguinal lymph nodes or the retroperitoneum. If one lobe of the lung is affected, then the lymph nodes of the mediastinum and supraclavicular zone are not affected. In central lung cancer, these lymphatic zones are affected. There is also central cancer of the breast and its axilla. One breast is also affected. The squamous form mainly occurs in the mucous membrane of the intestines, mouth, and bladder. But more often the disease is diagnosed in the large intestine. In the initial form, asymptomatic symptoms are possible. The patient may experience weakness, weight loss, and body temperature may rise to subfebrile levels. Later, abdominal pain, constipation, abdominal pain and blood in the stool may appear. This is a fairly rapidly progressing tumor, due to which there are no metastases and the life expectancy for this type of oncology reaches 20 months. If the stomach is affected, then the damage can spread to the diaphragm, heart leaves, diaphragm, liver, pancreas. Then a quick death occurs.