<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have noticed a change in the size and color of my skin mole, and its been very itchy. Also, I have a skin growth and a mass in my groin area.  <response>: Based on your symptoms, you may have soft tissue sarcoma, a type of cancer that affects the soft tissue. I suggest we conduct some tests to confirm the diagnosis and create a treatment plan for you. 