Teratoma - Wikipedia
https://en.m.wikipedia.org/wiki/Teratoma
A teratoma is a tumor made up of several different types of tissue, such as hair, muscle, teeth, or bone. Teratomata typically form in the tailbone (where it is known as a sacrococcygeal teratoma), ovary, or testicle. Causes: Unknown Symptoms: Minimal, painless lump
Causes: Unknown
Symptoms: Minimal, painless lump
DA: 41 PA: 10 MOZ Rank: 28