Anal cancer

Overview anal cancer and rectal cancer have many things in common, anal cancer in the rectum dentate line, Therefore, as more pathological squamous cell carcinoma. Anal cancer accounts for about 1% of colon cancer, colorectal cancer accounts for 5%. Its causes often with anal fistula, hemorrhoids, chronic rheumatoid recess of the chronic stimulation. Anal cancer than direct invasion, to inguinal lymph node metastasis. However, it can be transrectal lymphatic drainage lateral transfer to the internal iliac lymph nodes. Surgical treatment of anal cancer is not appropriate to retain anus, it is advisable to Miles. right inguinal lymph nodes, where it can not determine whether the transfer could do the local pathology, surgical removal at the same time.