Causes of a lump on your chest can include a cyst, abscess, lipoma, or benign tumor. A doctor can diagnose the lump with imaging tests, and if they find anything, they can recommend treatment.

Dr. Pimple Popper, a.k.a. dermatologist Sandra Lee, MD, has popped big cysts and little cysts, armpit cysts and eyeball cysts. But TBH, she seems pretty damn fond of the petite superficial chest ...

Pilar cysts are fluid-filled lumps that tend to appear on the scalp. These lumps are usually harmless and often require no treatment, though they may be removed if they are causing discomfort.