Fig. 1From: Factors leading to failure to diagnose pulmonary malignant tumors using endobronchial ultrasound with guide sheath within the target lesionStudy selection procedure. The records of 347 patients with lung mass that underwent endobronchial ultrasound with guide sheath were evaluated and 130 cases with confirmed diagnosis and 8 cases with misdiagnosis were selected following the described criteriaBack to article page