Anal cancer is a cancer which arises from the anus, the distal opening of the gastrointestinal tract. Symptoms may include bleeding from the anus or a lump near the anus. Other symptoms may include pain, itchiness, or discharge from the anus. At first, most people assume the bleeding is caused by hemorrhoids (painful, swollen veins in the anus and rectum that may bleed). If caught early, anal cancer is highly treatable - with high survival rates. Read more from webmd about anal cancer, including symptoms and treatments. Symptoms of anal cancer can include bleeding, bowel changes and severe itching (pruritus). They can also be symptoms for other conditions such as piles (haemorrhoids), but its important to see your doctor. The most common symptom of anal cancer is bleeding from the back passage (rectal bleeding). Early detection of anal cancer is common because these tumors develop in a part of the digestive tract that doctors are able to see and reach. Symptoms of early-stage anal cancer often prompt patients to visit their doctor, though not everyone experiences symptoms. More than half of patients with anal cancer experience rectal bleeding, which is often the first indication of the disease. Symptoms and signs of anal cancer include a hard lump or mass near the anus, anal discharge or bleeding, and a change in bowel habits. Other associated signs and symptoms can include pain when defecating, itching of the anal area, and a sense of pressure or a foreign body sensation in the area. anal cancer is rare and more likely to affect women than men. About 25 percent of people diagnosed with anal cancer never experience any symptoms, while others experience a variety. In some cases, symptoms do not appear until the cancer has spread. The symptoms of anal cancer are often similar to more common and less serious conditions affecting the anus, such as piles (haemorrhoids) and small tears or sores called anal fissures. A big problem is that anal cancer can grow in persons body, without causing any symptoms or can look like hemorrhoids and irritable bowel syndrome. Rectal bleeding nearly 80 of patients with anal cancer have this symptom.