الفهرس 
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Abstract
Tumors of the thoracic skeleton are uncommon and consequently are not seen with great frequency by individuals in the practice of thoracic surgery. Few surgeons have had personal experience with a significant number of these tumors. Neoplasms of the chest wall can present difficult problems in diagnosis and management, particularly in performing adequate radical excision and subsequent reconstruction of the chest wall. The wide variety of cell types of chest wall tumors makes classification of these lesions difficult and increases the problem of diagnosis and management
Malignant tumors should be differentiated from benign growths. There were a large number of benign chondromas reported with recurrence. from the histological descriptions, most of these tumors were probably malignant (Blades and Adkins, 1965).
A meaningful description of the malignant chest wall tumors suggested by divides these lesions into those that are radiosensitive and those that are radioresistant. The radioresistant tumors include chondrosarcomas, osteogenic sarcomas, neurosarcomas, fibrosarcomas, liposarcomas, angiosarcomas, and anaplastic sarcomas. Radiosensitive malignant tumors include Ewing’s sarcoma, reticulum cell sarcoma, plasma cell myeloma, Hodgkin’s disease, and lymphosarcoma.
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