<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have noticed that my skin looks abnormal lately. Its kind of thick and hard, and has a shiny appearance. Do you know what it could be?  <response>: Based on your symptoms, its possible that you have lymphedema, which is the swelling of tissues due to buildup of lymph fluid. The abnormal appearing skin you are experiencing is a common symptom in lymphedema. 