I noticed , on my right thigh , this thing slowly swelled to surface and darkened in color overtime. It feels hard to touch, but does'n't pain or bleed . I have a similar mole-like thing on my left feet near thumb. Its about the size of a pencil eraser . Is it simply a cyst or could be something mor...

I am 29 year old guy.
whenever I feel the pressure to defecate, I feel like I kind of leak a little bit of feces till my buttcheeks entrance.
I find it hard to control for long and have to go to washroom quickly.