i have these large spot looking things on my inner thigh at the top of both legs i usually have 1 but it seems to spread an when one goes another comes in a different place but the old one leaves a mark!! do you have any idea what this is?? there large usually an soft in the middle causing pain not to bad tho an cant be popped !! but i popped 1 with a pin an puss come out followed by blood ! it went left a mark an another one came in a different place ! i have put like 3-4 stone on in the past 8 month it mite have something to do with that...