Pate Tamren M.D.; Tenholder, Michael F. M.D.; Eltorky, Mahmoud A. M.D.; Meduri, Umberto G. M.D.Journal of Bronchology: January 1996 Brief Report: PDF Only Free Abstract A male smoker presented with hemoptysis. A central endobronchial mesenchymoma was diagnosed by flexible bronchoscopy. Mesenchymomas are the most common benign tumor of the lung. They present as two distinct types: pulmonary parenchymal and central bronchial. The central type can be treated with flexible bronchoscopy techniques or surgery depending on the clinical presentation. © Williams & Wilkins 1996. All Rights Reserved.