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Fig. 2C. 74-year-old woman with lung metastases from colorectal
carcinoma. CT scan shows needle inside tumor during radiofrequency ablation.
Neoplasm is located laterally to posterior venous branches (arrows)
of posterior segment of superior right pulmonary lobe. Note that more dorsal
branch is laterally in contact with lesion and medially in contact with
posterior bronchial branch of superior right pulmonary lobe.