resection of the tumour en bloc , formation of a groove in the head of the humerus , into which an autologous tibia graft is driven , after this has been fitted into the distal humerus after lexer , where the transplant is fixed by 2 ao screws , or by boring the graft into the marrow canal of the distal humerus , without using extraneous material for osteosynthesis .
C0223683
the head of
C0020164
humerus