Abstract
We retrospectively reviewed our experience of surgical resection for second primary lung cancer (SPLC) in our institute. And to clarify whether periodic follow-up after resection of first primary lung cancer (FPLC) is associated with earlier detection of SPLC. From January 2003 to March 2011, a total of 386 patients underwent surgical resection for primary lung cancer in our institute. Of these patients, 21 (5.4%) with SPLC were observed during follow-up after surgery. Radiation therapy was selected instead of surgical resection in 7 patients to preserve respiratory function. The other14 patients are reviewed in this paper. Histological types were different between FPLC and SPLC in only one patient(FPLC: adenosquamous carcinoma, SPLC: squamous cell carcinoma). The average SPLC tumor size (18±8 mm) was smaller (P = 0.07) than the average FPLC tumor size (26±14 mm). Recurrence was not observed in these patients.The follow-up period after resection of SPLC was 31±30 (5-94) months. During followup, 2 patients died of de novo malignancies, and the other 12 patients were alive without recurrence. Systematic and periodic long-term follow-up after FPLC probably resulted in earlier detection of SPLC and yielded this good prognosis.
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