Review Question - QID 219490

A 71-year-old male presents to the clinic for an unscheduled follow-up visit two months after undergoing a left anatomic total shoulder arthroplasty. He describes an event several weeks prior in which he was not wearing his sling and instinctively and forcibly withdrew his left arm away from his body after touching a hot pan on the stove. The pain initially improved with rest and ice, but he has since had persistent soreness and decreased function prompting presentation. X-ray imaging is obtained, and is notable for the finding shown in Figure A. Which of the following is most likely to be identified during a subsequent physical examination?