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  Indian J Med Microbiol
 

Figure 1. Computed tomographic scan of the chest revealing superior aortic recess (arrow) posterior to the ascending aorta (a) at level of left pulmonary artery. This recess can be misinterpreted as enlarged lymph node at station 4L

Figure 1. Computed tomographic scan of the chest revealing superior aortic recess (arrow) posterior to the ascending aorta (a) at level of left pulmonary artery. This recess can be misinterpreted as enlarged lymph node at station 4L