Fig. 3From: Long-term survival with multiple metastasectomies for pulmonary osteosarcoma: a case reportPretreatment approach for metastatic lesions. Computed tomography revealing a deep pulmonary lesion (arrows), which is treated using radiofrequency ablation (a). Radiation therapy is performed for a lesion near the aortic arch (black arrowhead) and pulmonary artery (yellow arrowhead) (b)Back to article page