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  • Title: [Surgery in the treatment of metachronous homolateral non-small cell lung cancer].
    Author: Massone PP, Infante M, Lequaglie C, Magnani B, Ferro F, Conti B, Cataldo I.
    Journal: Chir Ital; 2000; 52(5):533-40. PubMed ID: 11190546.
    Abstract:
    The authors describe their experience with the surgical treatment of metachronous homolateral lung cancer by completion pneumonectomy. In the Department of Thoracic Surgery of the National Cancer Institute of Milan, over a period ranging from 1982 to 1996, 30 completion pneumonectomies were performed for local relapses or second primary tumors. The patients submitted to this intervention had a lobectomy as their first operation in 23 cases (77%), a bilobectomy in 4 (13%) and a typical segmentectomy in 3 (10%). Associated with these interventions we performed 2 en bloc chest wall resections and a contralateral wedge resection. Two subjects received neoadjuvant chemo-therapy. Histology revealed squamous carcinoma in 14 cases (47%) and adenocarcinoma in 16 (53%). Seventeen patients (57%) were classified as stage I, 8 as stage II (26%), 4 as stage III (13%) and 1 as stage IV (4%). Four patients received adjuvant chemotherapy and/or radiotherapy. Lung cancer relapse occurred as a single lesion in 27 cases (90%) and as multiple lesions in 3 (10%). We performed 18 right (60%) and 12 left (40%) completion pneumonectomies. In 1 case (4%) a sleeve pneumonectomy was necessary. Associated with these interventions we performed 5 en bloc chest wall resections. The perioperative mortality was 10% and the postoperative morbidity 40%. Histological tests showed 12 squamous carcinomas (40%) and 18 adenocarcinomas (60%). Two patients (7%) had a different histology. Disease was classified as stage I in 13 cases (44%), as stage II in 9 (30%) and as stage III in 8 (26%). Four patients received adjuvant chemotherapy and/or radiotherapy. Two subjects developed a metachronous contralateral tumor (7%). The disease-free interval was 22.70 +/- 14.69 months, with a median value of 17 months (range: 7-53 months). Mean survival after completion pneumonectomy was 49.77 +/- 49.29 months, with a median value of 26.5 months (range: 4-190 months). The 5-year actuarial survival rate, calculated using the Kaplan-Meier method, was 30%. Completion pneumonectomy is a technically very demanding intervention carrying a high risk of morbidity. On the basis of the analysis of our data, we can affirm that mean postoperative survival seems to be satisfactory and to justify this aggressive attitude towards recurrent tumor. We should stress the importance of careful evaluation of indications and precise selection of patients.
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