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    Although the incidence of metachronous second primary lung cancer (MSPLC) after curative resection for primary lung cancer may be increasing, appropriate treatment and the outcome are unclear yet. We reviewed the literature and conducted a retrospective chart review of the patients who underwent surgery for MSPLC in our institute. We had 27 surgical cases for MSPLC during 2017 and 2018. The interval from the previous surgery was 59.4±35.2 months. Comparing to the patients who were underwent surgery for first primary lung cancer in the same period, the patients with MSPLC showed significantly older age and lower respiratory function. More than 90% of resected MSPLC were stage 0 orⅠand we selected limited surgery for more than 90% of the MSPLC patients. Maybe due to limited surgery, time for surgical procedure and postoperative complication were significantly less than first primary lung cancer cases. No death or recurrence were observed until one year after surgery for MSPLC. For performing feasible limited surgery to early-stage MSPLC cases, continuous computed tomography surveillance in the late phase after the first primary lung cancer surgery should be important.


    Takekazu Iwata, Toshihiko Iizasa. Surgical Treatment of Metachronous Second Primary Lung Cancer]. Kyobu geka. The Japanese journal of thoracic surgery. 2021 Jan;74(1):63-68

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    PMID: 33550321

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