There are four types of rectal cancer. Adenocarcinoma is a disease found in most cases. Different types of adenocarcinoma are characterized by different rates of growth of the formation and its ability to damage other organs. The formation may be less differentiated and highly differentiated. A malignant tumor with a low degree of differentiation rapidly grows and metastasizes. Highly differentiated adenocarcinoma even grows more slowly, and the lesion damages other organs only in the late stages. Depending on where the growth is growing, there is an exophytic type of cancer in which the tumor grows in the intestinal cavity, an endophytic species in which the tumor grows in the large intestine, and mixed

There are five stages of rectal cancer. To determine the stage of the disease, it is necessary to find out how deeply the tumor is em