These images show a 55-year-old woman who was treated with modular RTSA after proximal humerus resection for Grade 2 chondrosarcoma. She had revision for aseptic loosening after 2 years. Her functional results at 5.5 years of follow-up were excellent with MSTS score of 30, CSn score of 97, ASES score of 92 and (A) external rotation of 75°, (B) forward flexion of 90°, (C) abduction of 90°, and (D) internal rotation that reached T7.