Pilot Study to Investigate The Diagnostic Yield and Utility of 22g and 19g Endobronchial Ultrasound Transbronchial Needle Aspirate

Inclusion Criteria

• •Patients undergoing EBUS TBNA for evaluation of lymphadenopathy, lung nodule or mass
• •Patients must have atypical lymph nodes. Atypical lymph nodes are characterized by \>10mm in short axis or lymph nodes 5-10mm in short axis with atypical features.
• •Age \> 18 years.
• •Patients must have platelets count \> 50,000
• •Ability to understand and willingness to sign a written informed consent and HIPAA consent document
• •WOCBP must agree not to get pregnant until the day of the procedure