Summary:

- The article discusses the case of a man who lived to old age without knowing he may have had three penises.
- The man had a rare condition called diphallia, which is the congenital duplication of the penis, though in his case, the third penis was not fully developed.
- The article highlights how this condition is extremely rare, with only around 1,500 cases reported worldwide, and how the man's lack of knowledge about his condition reflects the limited understanding and awareness of such rare medical anomalies.