sixty-seven soft tissue sarcoma ( sts ) patients ( median follow-up , 36 months ) and 39 osteogenic sarcoma patients ( ogs ) ( median follow-up , 29 months ) underwent thoracic exploration at the first indication of pulmonary metastases , and the results for each group were reviewed .
C1261473
soft tissue sarcoma
C0029463
osteogenic sarcoma