A lump started growing under my armpit, and it was noticable enough for my mom to say something. My doctor dismissed me twice, saying it was just a swollen lymph node. I'm glad I listened to my mom, ...

In a rare case, painful swelling under a woman's arm turned out to be caused by a wart-like tumor growing from an extra breast in her armpit. The swelling had been growing for four years but had only ...

Although these types of tumors commonly affect regular breast tissue, they are rarely found in extra, or "accessory," breasts. When you purchase through links on our site, we may earn an affiliate ...