Background: Surgical techniques for resection of tumors at proximal humerus and scapula has been described in literature along with different classification systems, however, these techniques have not been revised for a while and the classification systems which are currently in use neither respect the difference between bone and soft tissue tumors nor the anatomical location humeral vs scapular. Material and Methods: The author operated on 32 patients with shoulder girdle tumors, all are bone tumors, Ewings sarcoma ([Formula: see text]), Osteosarcoma ([Formula: see text]), Metastatic tumors ([Formula: see text]), GCT ([Formula: see text]), Chondrosarcoma ([Formula: see text]). We assigned two separate classifications to humerus and scapula resection, since surgical approaches, techniques, and reconstruction options are totally different for the both sites. Resection of the humerus is classified into: Type I to Type IV, A: is added to the type when the majority of Deltoid is preserved, and B: when it is sacrificed. And we classify the scapula resection into: Type I to Type III, A: is added to the type when the majority of Deltoid is preserved, and B: when it is sacrificed. In extra articular humerus resection, we found that sacrificing the acromion and coracoid process is not necessary as part of routine resection. Preservation of these structures can improve the cosmetic appearance of the shoulder with at least equal functional outcome. Endoprosthesis was used in 26 patients for reconstruction, osteoarticular allograft was used in 2 patients, and Tichoff Lindberg technique for 4 patients. Results: At 30 month mean follow up period, 2 patients developed local recurrence (osteosarcoma [Formula: see text], Ewing Sarcoma [Formula: see text]), 2 patients had wound infection, and one patient developed stem loosening. The average MSTS functional score for all patients was 83%. Conclusion: The modification of surgical techniques saved structures which were unnecessarily resected, and kept the integrity of muscles and their attachments which were sacrificed in previously described techniques. This might lead to fewer restrictions during the rehabilitation process and resulted in preservation of the shoulder contour. The new classification system is realistic, separates the humeral resection from the scapular one, easy to be recalled and applicable to all patients.