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, ...

Armpit lumps can occur in men and women of all ages. However, a lump under the arm could indicate breast cancer. People should perform monthly breast self-exams and report any breast lumps to a doctor ...