Suction or no suction? lung biopsy study seeks better samples

This study looks at whether using suction during a lung biopsy (EBUS-TBNA) helps get better tissue samples from people with suspected lung cancer that has spread to lymph nodes. Researchers will compare samples taken with and without suction to see which method gives more material and less blood contamination. The goal is to improve how these biopsies are done, not to treat the disease directly.