Fig. 3From: Beyond PET/CT in Hodgkin lymphoma: a comprehensive review of the role of imaging at initial presentation, during follow-up and for assessment of treatment-related complicationsA 35-year-old male with a history of HL treated 3Â years ago with chemotherapy and mediastinal radiation presenting with relapsed HL in the radiation field. a Axial CT image in lung window settings shows well-demarcated area of parenchymal distortion and traction bronchiectasis in a paramediastinal location in the right lower lobe (arrow) suggestive of post-radiation changes. b Axial CT image in lung window settings after 3Â years shows the appearance of a lobulated mass within the radiation field with obliteration of the previously visualised air bronchogram (arrow). New appearance of ground-glass opacities with consolidation (arrowhead) is seen in the right middle lobeBack to article page