Was it possibly a gallbladder attack? Alcohol could have brought that on.

Also, when was your last mammogram, if you've had one. You may need to have one done to check the area and make sure nothing is going on in that breast.

Lymphoma is always a possibility, unfortunately. So, I think a call to your PCP may be a good idea.

For me, the hug is constant and it can change a little depending on if I have the nerve pain or not. Sometimes it's just a constricting feeling, others it's constricting with nerve pain ripping through it.