The post-surgical malignant recurrences of bronchogenic cancer may be classified as local, regional, locoregional. The present series is based on 115 patients observed in 1982-1987. In all of them a tumour recurrence was clinically and/or radiologically suspected: the histological findings or the follow-up confirmed such a diagnosis in 52 cases. A correct radiological assessment is based on a full knowledge of three items: 1) early and late complications of the surgical intervention; 2) available diagnostic tools for a differential diagnosis between usual post-operatory sequelae and neoplastic recurrences. 3) pathologic history of the patient and his tumour.
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