I have had back/neck problems for a couple of years now. I have gone to a chiropractor for them and had some relief from the pain in my neck, but it returns a few days after I visit the chiro. Around the time the pain started, I noticed a "lump" on the top of my shoulder...its under the skin, but doesnt feel like it goes into the muscle tissue...i can move it around a little under my skin. Its about the size of a ping pong ball cut in 1/2. When my neck gets tired the pain seems to eminate from this area...at times. Its never gotten any bigger since I first noticed it. I also noticed around the same time I have a couple of moles under each armpit, and some are brown in color. They are raised, so raised in fact they more look like they dangle?....almost completely unattached. I hadnt noticed them before but thats not to say they werent there...i cant be sure...I have gained around 40 lbs...I now weigh 265, in the past 2 years...my armpits are almost always itchy esp around the moles...does any of this make sense? or more importantly are these signs of cancer?