Bowel cancer can be classified according to the site of occurrence, pathological type and histology.
1. Classification according to the site of occurrence: the complete intestinal tract includes the jejunum, ileum, colon, appendix, appendix and anal canal. The sites with higher incidence of intestinal cancer are colon and rectum.
2. Classification according to pathological types: Bowel cancer can be divided into invasive bowel cancer, ulcerative bowel cancer and bulging bowel cancer.
3. According to histological classification: epithelial malignant tumors of the colon are mainly divided into squamous cell carcinoma, adenocarcinoma, tubular adenocarcinoma, mucinous adenocarcinoma, undifferentiated carcinoma and adenosquamous carcinoma. Malignant tumors of the anal canal can be divided into undifferentiated carcinoma, squamous cell carcinoma, adenocarcinoma, undifferentiated carcinoma and malignant melanoma. There are more types of bowel cancer, but the most prevalent is adenocarcinoma, which accounts for about 90% or more of the cases.
When suffering from bowel cancer, it is necessary to actively consult the doctor and follow the doctor’s advice for reasonable treatment.