Fig. 1From: Joint-preserving palliative surgery using self-locking screws of intramedullary nail and percutaneous cementoplasty for proximal humeral metastasis in the advanced cancer patientsThe proximal magnified image (a) and overview (b) of self-locking screw type IM nail, which prevents loosening of the screws. The photograph shows the PC (c)Back to article page