For years and years, my aunt has suffered shoulder pain. She's been to doctor after doctor, who sometimes bothered to do an x-ray before giving her a prescription for pain pills and sending her to physical therapy. A good number, seeing nothing on the x-ray, seemed to be giving her the pills and a referral just to get rid of a patient who really had nothing wrong.
Aunty went to a sports doctor a week ago. He said it sounded like a bone spur or a rotator cuff injury, and an x-ray wouldn't show enough of the bones to rule out a bone spur and can't show muscle injury. He sent her straight to a lab