De Clercq D, Van der Straeten M, Roels H
Eur J Respir Dis. 1983 Jan;64(1):72-6.
A case is described in which a right-sided bronchus tumour was found incidentally at endoscopic examination for left-sided pneumonia. No clinical or radiographic signs of this bronchial mass were present. Endoscopic biopsy proved the tumour to be a granular cell myoblastoma.