My name is andrea, and I have a problem that I am unsure of and I was wondering if maybe someone in here could help me. My problem is, for the past few months, I have had pain in my left shoulder. Also at times, it feels like electric charges are going through the area. I was feeling around the area today, and I noticed that there's a lump in my shoulder. The lump is kinda soft, and it moves around. I have no idea what it could be, but I am getting concerned now my mom was mentioning that she thinks it's plurisy, or something like that, but that has to do with the lungs, so i'm not so sure. If anybody has ever heard of anything like this, could you please respond to me? I made an appointment to see the doctor on monday, but that seems like a long time to me. Any responses would be appreciated.

Thank you,
andrea