text: ok let me ask this question to someone intelligent? ok i did not step in dirt or in poop or walked in the mud i have dry skin on the bottome of my feet and they have have turned brown on the bottom someone told me it could be cancer is that true no stupid replies please i'd recommend checking with your doctor, but here is a website that describes what skin cancer typically looks like. the site includes a description regarding skin cancer on the feet.  http://podiatrychannel.com/skincancer/