Hi, may I answer your health queries right now ? Please type your query here... I have a pain right under my left breast, when i bend down, pull my arm, sometimes breathe, it's worse in the morning when I get up. I do alot of housework and use my arms alot, but I can feel a long lump under my breast and is sore to the touch. I think I pulled a muscle, but not sure since I have the pain 3 weeks already. If I lift my breast and hold down firm, it doesn't hurt when i take a deep breath.....any clues? Thanks for your advice