Ultrasound-guided transbronchial biopsy in the diagnosis of fibrosing mediastinitis-associated pulmonary hypertension.

Consistent with prior studies, transbronchial mediastinal cryobiopsy demonstrated a higher diagnostic yield for benign disorders relative to traditional needle aspiration, although this trend did not reach statistical significance (80% versus 60%, P = 0.628) [ 14 , 15 ].

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