<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have a skin growth on my foot that is causing a lot of irritation, and its making it difficult to move my foot properly. I also have a lump on my toe. What could be causing this?  <response>: Based on your symptoms, its possible that you have a bunion. A bunion is a bony bump that forms on the joint at the base of your big toe, causing skin irritation and even a visible mass. It can impact your ability to move your foot properly, and may even cause discomfort while walking. 