What are the symptoms of rectal adenocarcinoma?

Rectal cancer is a common malignant tumor. In recent years, the incidence of rectal cancer is on the rise. Rectal cancer is more common after 50 years of age. The pathological type of rectal cancer is mainly adenocarcinoma, accounting for about 90 to 95 percent. If the rectal adenocarcinoma is in the early stage, the five-year survival rate after standard treatment is close to 90%. Therefore, it is possible to achieve clinical cure for some rectal adenocarcinoma.