Fig. 1
From: Primary bronchial myeloid sarcoma mimicking bronchogenic carcinoma: a case report
Four computed tomography (CT) images of the chest before and after treatment. a The left upper and lower lobar bronchi at the entrance are obstructed (arrow). b A mass in the left lung hilar region (arrow), which is indistinguishable from the surrounding tissue. c The original obstructed bronchi are unobstructed after treatment (arrow). d The original mass disappeared after treatment (arrow), and the thoracic aorta and pulmonary vessels are clearly defined