case_images: PMC10741815_01
case_images: Initial computed tomography scan showing a large anterior mediastinal mass causing superior vena cava compression.
case_images: toj-23-0055-figure1.jpg
case_images: PMC10741815_01_toj-23-0055-figure1.jpg
case_images: f1
case_images: Chest x-ray showed mediastinal widening, and chest computed tomography (CT) scan with contrast revealed an AMM that measured 9.6 x 8.4 cm with retrosternal extension, likely encasement and narrowing of the right upper and middle lobe pulmonary arterial branches, and generalized upper body wall edema (Figure 1).
case_images: The patient had extensive face and neck swelling on presentation to the emergency department.
case_images: toj-23-0055-figure2.jpg
case_images: PMC10741815_01_toj-23-0055-figure2.jpg
case_images: f2
case_images: She also had extensive face and neck swelling (Figure 2).