Review Question - QID 218674

A 12-year-old baseball player is seen in your clinic. He has recently completed the season with his summer travel team, and individual workouts are set to begin for his fall showcase league. The patient is right-hand dominant and throws right-handed. He complains of right shoulder pain, which has progressively worsened over the past month. Physical examination of his right shoulder demonstrates 20° less internal rotation than his left shoulder, with a 25° smaller total arc of rotational motion. Radiographs of his right and left shoulders are available for review in Figures A and B, respectively. Which of the following is true regarding the patient's expected clinical course?