hello ok so last night i was in the shower i felt a lump on the right side of my rib. It does not hurt with touch or without. when i do feel it it goes away after as uf it was not there then it comes back. the size is about the size of half a canadian penny . it also to me looks blue but faint. i do get cyst s i have one in my arm that has recently started to pinch the nerves in the area it is in i have had it since i was a child.