Finding a lump on your body can be worrying, but it’s important to know how to identify if it might be cancerous. Most lumps are benign and harmless, but cancerous lumps often have specific features.

A lump on the neck may be a swollen lymph node from a bacterial or viral infection. Swollen lymph nodes can be painful, warm, and red. An unusual lump may need to be checked by a doctor to find out ...