To evaluate diagnostic yield
Secondary- To evaluate rate of pneumothorax.
- To evaluate rate of pneumothorax requiring chest tube placement.
- To evaluate clinically significant bleeding (defined by bleeding requiring intervention).
- To evaluate need for hospitalization after procedure.
- To evaluate duration of the procedure.
- To evaluate procedural factors associated with improved yield (type of biopsy, number of biopsies, use of radial ultrasound, presence of a bronchus sign, biopsy site).
- To evaluate need for additional nodule biopsy.
- To evaluate need for additional procedure for staging.
- To evaluate radiation exposure from fluoroscopy-guided bronchoscopy and CT for CT-guided biopsy.
- To evaluate need for F-Nav during navigation bronchoscopy.
- To evaluate bronchoscopy yield defined as the combination of the primary endpoint (navigation diagnostic yield) and yield from endobronchial ultrasound-guided mediastinal and/or hilar lymph node biopsies.

