Hi i have a node in my armpit almost 11 years ago like a swollen skin but no pain when i press i fell pain but otherwise no pain. I check 2 times and 2 time ultrasound doc said nothing to worry about this is like a water bag i dnt remember doc said if size are getting larger then you call us but almost 11 years some time i feel size is little big but again i feel size is small almost same size all the years. But now i m worried what is this why my armit look like this i dnt know Nothing