In this study, all eligible study participants will have a clinically indicated reason to undergo a bronchoscopy procedure, using a EBUS-TBNA scope, before enrolling in the study. EBUS-TBNA stands for "endobronchial ultrasound-guided transbronchial needle aspiration" which is a procedure to collect lymph node tissue from within the lungs by inserting a flexible tube-like camera through the mouth, then down into the lungs.

After providing consent to participate in this study, each subject will be randomly assigned (by chance, like the flip of a coin) to either have or not have a cytopathology technologist (person who looks at samples under a microscope) in the room during your bronchoscopy, and then randomly assigned again (by chance, like the flip of a coin) to either have your tissue specimen prepared with clot or liquid preparation. Clot preparation is placing the tissue biopsy in a gel prior to being viewed under a microscope, whereas liquid preparation is placing the tissue biopsy in a liquid prior to being viewed under a microscope.

It is important to note that, by participating in this study, subjects will still receive the standard of care with a proven track record for obtaining lymph node tissue.

The reason for this research study is to determine whether rapid on-site cytopathologic evaluation, or the clot based method, can increase the chances of gathering adequate tissue for Next Generation Sequencing. Next generation sequencing is a test which detects molecular markers from tissue, or blood, samples and can provide possible treatment options for specific forms of lung cancer.

The purpose of this study is to identify whether investigational blood and tissue testing can detect cancer cells in the blood stream can tell if subjects are responding to their individual treatment plans.

Participation will last as long as the subject's individual treatment plan and will consist of collecting tissue biopsies (10 slides), which will be taken during the subject's standard of care procedure, as well as blood draws (between 1 and 2 tablespoons), which will be taken during each of the subject's standard of care clinic appointments throughout their care journey.

This study is for patients scheduled for a bronchoscopy procedure for evaluation of lung transplantation, lung disease, and lung nodules. Those who give consent to participate in this study will be randomized into one of two lung biopsy sampling method groups: Group 1) 1.1 mm single-use Cryoprobe or Group 2) conventional 2.0 mm forceps. These devices are used with a bronchoscope to obtain lung tissue biopsy samples and are being evaluated to determine which is better for confirming a diagnosis. All procedures will be done via standard of care and screening will be accomplished via medical chart review. Subjects will have two in-person appointments and one follow-up telephone call. The first of which is their standard of care office visit with the doctor to go over their plan of care. The second visit is for the standard of care bronchoscopy procedure to obtain biopsy samples. Thirty days following the procedure, a member of the study team will call the subject to assess whether any adverse events may have occurred since the procedure.