However, a lump on the penis can result from a sexually transmitted infection (STI ). And in rare cases, penis lumps can be cancerous.
Lumps on the penis can have several causes. Many penis lumps are harmless and don't need treatment. Some possible causes are listed below.
A lump on the penis is not typically something to worry about. It could simply be a pimple, cyst, or ingrown hair. However, if it could also be a.