Under normal circumstances a mass in the rectum cannot be palpated from the vagina, only when there is a pathological condition in the rectum and the mass is large. 1. Under normal circumstances, the end of the rectum and the anal area is closed, in the upper part of the rectum in the middle part of the rectum there is a rectal potbelly, in the form of a cavity, so it is very difficult to feel from the vagina to the rectum in the mass. 2. However, if there is a swelling in the rectum and the swelling is already very big, consider that it may be a tumor, which can be felt through the vagina. You need to go to the anorectal department of the hospital to do colonoscopy and anal fingerprinting, according to the results of the exclusion of intestinal diseases. Next to the gynecology department to do colposcopy and ultrasound, clear diagnosis and then do surgery to remove. When patients feel that they have problems with their rectum or irregular bowel movements, they should not often touch it with their own hands, otherwise it will easily cause infections, and they should go to the hospital in time for appropriate treatment.