Fig. 3
From: Imaging of shoulder arthroplasties and their complications: a pictorial review
Anteroposterior (a) and scapular Y (b) radiographs of normal findings in a patient with total shoulder arthroplasty. The humeral prosthetic stem (thick arrows) is centered within the humeral shaft. The humeral prosthetic head is centered within the glenoid implant (thin arrow), with a smooth arc between the cortex of the medial humeral calcar and that of the inferior glenoid and scapular neck