My dad has been diagngnosed with. Liver cancer. Mom is telling me. That similar soars rare appearing on his legs to what began inn his back that lead to diagnosis. However he. Was recently taken off of his oral meds because of pain in feet and red. Blotches. Hher question is are the soars on. His feet from the meds or the liver cancer and should she call the doctor also, what should she be doing to treat. The soars