. Step 33 of 41
Clinical Stem 1
Non-smoking female with a new right upper lobe lung mass and three PET-positive mediastinal lymph nodes

The Case Continues
Five endobronchial biopsies were obtained from the airway lesion. Small tissue fragments were fixed in formalin 10% and sent to the pathology department to prepare formalin-fixed, paraffin-embedded tissues, also known as FFPE. Five EBUS-guided TBNA aspirates were obtained from nodal station 11L. Three slides were air dried and stained with Romanowsky solution for rapid on-site evaluation, which showed the presence of malignant cells consistent with NSCLC. Three slides were fixed in alcohol and sent to the pathology laboratory for Papanicolau staining. Aspirates were also placed in Cytolyt solution for cell block preparation.
Each fictitious clinical case scenario is based on a conglomerate of real patient data. Cases have been modified to avoid any possibility for patient identification and to help meet educational objectives. Any resemblance to real persons, living or deceased, is purely coincidental.

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