Sharp pain rt shoulder blade worse w deep breath. ct-scarring. worried re lung ca. mother and gmother died lung ca. does always show on ct? non smoker

Close Follow Up: Usually scarring on a ct is the aftermath of some sort of inflammatory process. But, sometimes, scars can develop cancers down the line. That is, however, quite rare. Given that you are a nonsmoker, your risk of lung cancer is quite low. But, if you are concerned, would see your doctor and discuss the benefits and risks of getting follow up ct scans.