<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing pain and soreness in my breast, and I also noticed an irregular belly button, arm lump or mass, coughing up sputum, and neck mass. What could be wrong with me?  <response>: Based on your symptoms, it is possible that you have a breast cyst. However, we will need to run some diagnostic tests to confirm the diagnosis. 