摘要
Abstract
Colon cancer is common in parts of the digestive tract malignant tumor, colon in rectum and sigmoid colon, with 40 ~ 50 years old age group the highest incidence of a disease, the ratio of men and women for 2~3:1. The incidence of gastrointestinal tumor. 3. Mainly for adenocarcinoma and mucous adenocarcinoma of colon cancer, undif erentiated carcinoma. The general is polypoid type, ulcers, etc. Colon cancer can develop along the intestinal wal of circular, spreading or up and down the insuf late the longitudinal diameter deep infiltration to the intestinal wal , except the lymphatic and blood flow transfer and local invasion, but also to grow or along the suture, incision in the abdominal cavity surface dif usion transfer. Patients with chronic colitis, colon polyps patients, male obese people as the vulnerable groups.关键词
心悸/胸闷/结肠癌Key words
Heart palpitations/Chest tightness/Colon cancer