Breast lump

Okay so I think I have a lump on the side of my left breast and its also swollen and it hurts really bad..the other one hurts but not as much..what could it be?? Help!!

You need to go to your doctor, it could be breast cancer! Chances are, it probably isn't, but why take the chance?

If you're a teen ( I am too) then your breasts will change and one might even be a different cup size! But ANY lump should be taken seriously and checked by a doctor.

cancer???