<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, I have been experiencing excessive growth along with low back weakness. I also noticed a skin lesion, and Ive been having a cough. What do you think could be the problem?  <response>: Based on your symptoms, it seems like you might have Kaposi sarcoma, which is a type of cancer that causes abnormal tissue growth and skin lesions. We need to do some tests to confirm the diagnosis and start appropriate treatment. 