• Tatsuo Nakagawa, Norihito Okumura, Keiji Ohata, Hitoshi Igai, Tomoaki Matsuoka, and Kotaro Kameyama.
• Department of Thoracic Surgery, Kurashiki Central Hospital, 1-1-1 Miwa, Kurashiki, Okayama, 710-8602, Japan. tn8336@kchnet.or.jp
• Eur J Cardiothorac Surg. 2008 Sep 1; 34 (3): 499-504.

ObjectivePostoperative recurrence is a major obstacle to achieving a cure and long-term survival in patients with non-small lung cancer. However, prognostic factors and the efficacy of therapy after recurrence remain controversial. We evaluated the clinical outcomes of patients with resected lung cancer for postrecurrence prognostic factors.MethodsPatients who underwent complete resection with systematic lymph node dissection for stage I non-small cell lung cancer were selected. Cases of low-grade malignancy, preoperative therapy, history of previous malignancy or death within 30 days of operation were excluded. A total of 397 patients were retrospectively reviewed.ResultsOut of 87 patients who had recurrence after surgery, 45 had symptoms at the initial recurrence. The initial recurrent site was local in 30 patients and distant in 57. Single-site recurrence was detected in 48 patients and multiple-site recurrence was seen in 39. The recurrent site was the ipsilateral thorax in 49 patients, the contralateral thorax in 32, the cervico-mediastinum in 15, brain in 12 and bone in 11. Surgery was performed in 20 patients, whereas non-surgical therapy was performed in 55 (chemotherapy, 16; radiation therapy, 33; chemo-radiation therapy, 6). Prognostic analysis of factors related to recurrent status demonstrated that symptoms at the initial recurrence, cervico-mediastinal metastasis, liver metastasis and postrecurrence therapy were significant prognostic factors in both univariate and multivariate analysis.ConclusionsSymptoms at the initial recurrence, cervico-mediastinal metastasis and liver metastasis were worse prognostic factors after recurrence. Postrecurrence therapy for the initial recurrence may prolong survival after recurrence.

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