But your doctor should examine any new lump or a lump that won t go away. Lumps may represent cancer or a swollen lymph gland related to cancer. Lymph nodes swell from infection and other causes and may take weeks to shrink again. A lump or gland that remains swollen for 3-4 weeks should be evaluated. Obvious change in a wart or a mole Multicolored moles that have irregular edges or bleed may be cancerous.
Larger moles are more worrisome.
Removing a mole is simple. You should remove any suspicious mole. The doctor will send it for examination under a microscope for skin cancer. Indigestion or difficulty swallowing Most people with chronic heartburn do not have serious problems. A condition called Barrett esophagus, which can lead to cancer of the esophagus, can be treated with medication and then monitored by a doctor.