About two months ago, I discovered a hard lump in my armpit. It is clearly attached to the muscle - when I hold my arm straight up, it's bulging and hard. If I hold my arm out to my side, it becomes slightly "movable", just like a relaxed muscle. The thing that makes me want to forget about it is the fact that when I flex my, erm, armpit muscl... more

All places where it's common to feel lymph nodes. All three lumps are hard and immovable, maybe about the size of a large marble. The lump in my neck is definitely "a lump" - I remember getting it checked out at the doctors, he said it was fine. I've had it for about 12 years now, and others in my family also have hard lymph nodes which they've ... more