If not supported sufficiently, it invariably contributes to varus collapse in the fracture or screw penetration throughout the humeral head. A very well-positioned calcar screw, fibular strut graft or a small medial plate can avert this complication. There can be dramatic exaggerations of the expense of arthroscopic surgery in Singapore. https://www.theorthopaedicandpainpractice.com/what-is-a-proximal-humeral-fracture/