<s>[INST] I have a lump on my right side Back Dimple.  Ive been prescribed muscle relaxers, they dont help much.  I wake up with severe pain that alleviates after urinating.  I have taken an MRI, this caused GREAT DISCOMFORT.  Ive been unable to find a solution to this problem, or what the problem may actually be.  Any ideas? [/INST] Hi, Dear,Welcome to Chat Doctor. Based on the facts of your query, You seem to suffer from-Lump on right Back with dimple on it-Mostly Sebaceous Cyst.USG and Surgeons Second Opinion would help you find out its cause.Hope this reply would help you to plan further treatment with your doctors. Contact with a Followup Premium question to ME. Will appreciate your Hitting thanks and writing excellent review comments to help needy patients like you. Good Day!!  Chat Doctor. S. Genl-CVTS </s>