[Recurrent atypical bronchial tumor diagnosed as small cell lung cancer].

The case of atypical carcinoid was presented. 5 years after resection of mediastinal mass, the tumor in main left bronchus developed and the diagnosis of small cell lung cancer was established. The pathological analysis of previous slides from resected tumour and bronchial biopsy showed the same atypical carcinoid. The patient was successfully treated using chemotherapy.