Fig. 4

Manifestations of disease. A Ultrasound image of suspected malignant pleural effusion (P) with nodule (arrowhead) on the diaphragm (arrow). B Lung cancer on immune checkpoint inhibitor with multiple nodules and ground glass infiltrates (arrows, left > right) concerning immune-mediated pneumonitis. C Extensive small cell lung cancer with metastatic disease to spine (T4, T5) and extension of epidural tumor (arrowhead). D Left lung mass (arrow) with extrinsic compression (arrowhead) of the left mainstem bronchus. E Elderly aged man with a right upper lobe lung mass (arrow) in the apex consistent with a Pancoast tumor (mass that originates in the superior sulcus of the lung apex which may present atypically with shoulder pain, Horner syndrome, and superior vena cava syndrome) presenting with right shoulder pain and cough. F Middle-aged man with metastatic poorly differentiated lung cancer presents to the emergency center after fall. Imaging reveals a 1.8-cm right posterior frontal mass (arrow) with local edema