Feeling of viagra pills, discomfort during defecation (perhaps the tumor was injured during defecation). Pain in the rectum/abdomen. Malfunctions of the gastrointestinal tract: intestinal dysfunction, dysbacteriosis, constipation, diarrhea, and so on. Rare bleeding of the rectum. Characterized by a pink hue of blood. Mucous discharge from the rectum. Mucus secretion is a normal response of glandular cells to malignant cells. It is possible to secrete mucus in the amount of 2 liters per day. General deterioration, a sharp decrease in activity, fatigue. Dehydration, exhaustion. blanching of the epithelium.