Comparison of 22-gauge and 19-gauge Aspiration Needle During EBUS-TBNA

Inclusion Criteria: * Male or female patients aged over 18 * Patients signed written informed consent * Mediastinal or hilar enlarged lymph nodes (\>10mm) in short axis radiological or clinical findings likely for lung cancer Exclusion Criteria: * Severe impairment of any organs, with do not enable anaesthesia * Quick \<80%, INR \>1,5, thrombocytes \<50/nl or PTT\>120sec * Other clinically relevant medical or psychological diseases, which affect the patients judgement or ability to participate in this study. * Insufficient language ability (spoken and written German)