Anal cancer: 5 major symptoms every adult should know; bleeding, lumps, and more

Anal cancer is a relatively rare but serious form of cancer that develops in the tissues of the anus, the final part of the digestive tract. Though it makes up a small fraction of gastrointestinal cancers, cases have been steadily increasing worldwide, partly due to HPV infections and other risk factors. Early recognition is vital, as its symptoms, such as bleeding, pain, itching, or lumps around the anus, are often mistaken for common conditions like haemorrhoids or fissures. This delay in diagnosis can negatively affect treatment outcomes. Detecting the disease in its early stages significantly improves survival rates, recovery, and overall treatment success, making awareness and timely medical evaluation extremely important.Anal cancer is a type of cancer that develops in the tissues of the anus, the opening at the end of the digestive tract where stool leaves the body. It usually begins in the cells lining the anal canal and can spread to nearby tissues if not detected early. A study published in The Lancet Oncology highlighted that delays in diagnosis are common because the symptoms of anal cancer often mimic other benign conditions, leading to late-stage detection. Understanding the warning signs can therefore play a key role in seeking medical help sooner. 1. Anal bleedingThe most common and often earliest symptom of anal cancer is bleeding from the anus. This may appear as bright red blood on toilet paper, mixed in stools, or visible in the toilet bowl. While bleeding is often dismissed as haemorrhoids, bleeding that occurs frequently or without an obvious cause should always be checked. Persistent bleeding may indicate abnormal growths in the anal canal that require medical investigation.2. Pain or discomfort around the anusOngoing soreness, itching, or discomfort in the anal area can be a warning sign. Some people describe a burning sensation, while others report a constant dull ache. Unlike temporary irritation caused by skin conditions, pain linked to anal cancer often gets worse over time. If discomfort persists despite topical treatments or lifestyle changes, it could be a symptom of something more serious.3. A lump or massA small lump or growth near the anus is another important symptom. Sometimes these lumps can be felt during wiping or noticed as a swelling just outside the anal opening. In some cases, the lump may be painless, which makes it easy to ignore. However, a persistent lump that does not go away or continues to enlarge may indicate cancerous changes and should be evaluated promptly.4. Changes in bowel habitsAnal cancer can cause noticeable alterations in bowel movements. This may include unexplained constipation, sudden diarrhoea, or stools that appear unusually thin or narrow. These changes can occur if the tumour obstructs or narrows the anal canal. In some cases, patients may feel a constant urge to pass stool, even when the bowel is empty. If such changes continue for more than a few weeks, medical advice is strongly recommended.5. Swollen lymph nodesAs anal cancer progresses, it may spread to nearby lymph nodes, particularly in the groin or anal area. This can lead to the appearance of firm, enlarged lumps under the skin that are often painless. Unlike swollen nodes from infections, which usually improve within weeks, cancer-related lymph node swelling tends to persist and gradually worsen. Detecting swollen lymph nodes early can help doctors assess whether the cancer has spread beyond the anus.Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before making any changes to your health routine or treatment.Also read | Kidney transplant recovery diet: Best foods, meal tips, and lifestyle changes