AN UNUSUAL PRESENTATION OF METASTATIC COLON-CANCER TO THE LUNG

A 75-year-old man with a history of resected colon carcinoma presented to his primary care physician because of a new onset of coughing, The patient had expectorated a small piece of solid tissue; pathologic ex amination of the tissue found it to be consistent with metastatic colo n adenocarcinoma. After further work-up, a right upper lobectomy was p erformed. The surgical specimen removed during the lobectomy showed a tumor that was histologically identical to the patient's prior colonic primary tumor.