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  Indian J Med Microbiol
 

Figure 1: Maximum intensity projection (a) and coronal fused positron emission tomography-computed tomography (b) images showed an intensely fluorodeoxyglucose-avid heterogeneously enhancing conglomerate nodal mass with central necrosis (arrow) in the superior mediastinum and right hemithorax. The axial contrast-enhanced computed tomography image (c) the lesion compressing the distal azygous vein and superior vena cava (arrows). An axial contrast-enhanced computed tomography image at a higher level (d) multiple collateral veins in subcutaneous plane in the anterior thoracic wall bilaterally. A volume-rendered image (e) clearly depicted the subcutaneous collaterals (arrows), suggesting superior vena cava obstruction

Figure 1: Maximum intensity projection (a) and coronal fused positron emission tomography-computed tomography (b) images showed an intensely fluorodeoxyglucose-avid heterogeneously enhancing conglomerate nodal mass with central necrosis (arrow) in the superior mediastinum and right hemithorax. The axial contrast-enhanced computed tomography image (c) the lesion compressing the distal azygous vein and superior vena cava (arrows). An axial contrast-enhanced computed tomography image at a higher level (d) multiple collateral veins in subcutaneous plane in the anterior thoracic wall bilaterally. A volume-rendered image (e) clearly depicted the subcutaneous collaterals (arrows), suggesting superior vena cava obstruction