Two-thirds of 5-year survivors after postoperative NSCLC recurrence had a cancer-bearing status and showed deteriorated subsequent survival. Curability of postoperative NSCLC recurrence should be evaluated in terms of the 'cancer-controlled' status, and 'cured' population is included in the patients who are 'cancer controlled' at the fifth post-recurrent year.
Simultaneous pulmonary metastases from different primary tumors to the same lobe are extremely rare, and we herein report the case. Surgical specimen of the pulmonary metastasis from colon cancer contained two additional nodules that were confirmed as metastases from prostate cancer. Pulmonary metastasis from prostate cancer rarely forms nodules, and there is a discrepancy in the incidence of pulmonary metastases between autopsy and clinical findings. This case suggests that different malignant tumors could simultaneously metastasize to the same pulmonary lobe, and more pulmonary metastases from prostate cancer might exist than expected.
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