Long term survival of small cell lung cancer patients after chemotherapy

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Abstract
Eighty-one patients with small cell lung cancer (SCLC) with a survival of more than 2 years after start of chemotherapy were studied. Twenty-six of the 28 patients who died of relapsed SCLC had in fact relapsed before two years and of the 55 who had not then only two (4%) relapsed subsequently. It is stressed that with such observations treatment related factors should be taken in account. Second tumours were observed in ten patients, nine proven malignant. Of the eight patients with non-small cell lung cancer three had residual disease after initial chemotherapy. In our patient group after a 2 year disease-free interval the risk of developing non-small cell lung cancer seems higher than a subsequent relapse of SCLC.