<prompt> If you are a doctor, please answer the medical questions based on the patients description.I have chronic back pain ...ct shows enlarged lymph node near kidney scheduled for Pet scan. I had cervical cancer 4 years ago and they suspect malignancy. Have been taking advil only doctor wants to put me on oxicodone based medication. What combination is least addictive and damaging. Acetominophine upsets my stomach and I am concerned about effects on my liver. what about percodan or hydrocodoneibuprofen  <response>: HI THANKS FOR POSTING YOUR QUERY.YOUR RELEVANT CLINICAL HISTORY POINTS LIKELY TOWARDS A METASTATIC DEPOSITDISTANT Tumor SPREAD AS THE CAUSE OF YOUR SYMPTOMS, PARTICULARLY CHRONIC BACKACHE.IN THE VIEW OF PAST HISTORY OF CANCER CERVIX 4 YEARS AGO, A Tumor SPREAD TO VERTEBRAL COLUMN BONES SHOULD BE SUSPECTED AS A CAUSE OF CHRONIC BACKACHE.SUCH DEPOSITS IN THE Backbone ARE LIABLE FOR PATHOLOGICAL FRACTURES.YOU NOW HAVE A PERFECT INVESTIGATIVE FOLLOW UP IN THE FORM OF CT SCAN AND A SCHEDULED PET SCAN .PET SCAN IS KNOW TO EXHAUSTIVELY DETECT Tumor RECURRENCE.BACK PAIN DUE TO CANCER SHOULD BE MANAGED WITH OPIOID Chat Doctor. 