Intestinal adenocarcinoma is a disease.

Intestinal adenocarcinoma is a malignant tumor. Small intestine adenocarcinoma is rare. Colorectal cancer is a common malignant tumor of digestive system. The incidence of colorectal cancer is increasing at this stage. More than 90% of colorectal cancers are colorectal adenocarcinoma. Colorectal cancer can be divided into colon cancer and rectal cancer according to different sites of incidence. High risk factors for colorectal cancer are related to high fat and low fiber diet, chronic ulcerative colitis and colorectal adenoma. Colorectal adenocarcinoma is mainly characterized by intestinal bleeding, changes in stool habits and abdominal pain discomfort. It can show fresh blood stool or mucus blood stool, constipation, diarrhea and constipation alternately, and changes in stool thickness. For inoperable colorectal cancer, chemotherapy is the main treatment. After standardized and systematic treatment, many patients with colorectal adenocarcinoma can also obtain long-term survival.