I have been experiencing pain in the middle right side of my back. It started 6 weeks ago and it is getting worse. When I cough it hurts deep inside, and when I sneeze the pain inside feels like a knife stabbing me. usually stopping the sneeze. I haven t lost weight, appetite, or had any problem with urination. I am 58 years old 6 tall and 230 lbs. Very active. walk approximately 5 miles every day. Non smoker, non drinker, no drugs of any kind. I have a appointment on monday next week . Both of my parents have had or have cancer of different types. Dad prostate, Mom breast, bone, hip area. both still alive at 85 fighting and living well.