Likely breast tissue: There is probably no cause for alarm; the "painles lump under your left armpit" is most likely due to some accesory breast tissue which exists under your arm and which will probably disappear on its own later on . If you are very worried, consult your doctor for more reassurance.
Answered 3/15/2019
204 views
A doctor has provided 1 answer
6 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question