Mediastinal and adjacent structures will be analysed with EUS-FNA or EBUS-TBNA. EBUS-TBNA will be used for right mediastinal lymph nodes. Carinal lymph nodes are biopsied with EUS-FNA. Mediastinal staging will be done with bronchoscopy alone for central located tumors, peripherally located lesions will be analysed with EUS-FNA or bronchoscopy in combination with EBUS-TBNA.