Surgical management of multiple lung metastases of different origin.

A case of synchronous carcinoma of the colon and the kidney with solitary metastatic nodules to each lung from each cancer is presented. The time interval between the original surgery and the first metastasis was 3 months and between the first and second metastases, 7 months. The patient underwent wedge resection of both metastases. Eight years after surgery he remains free of tumor.