Fig. 5From: Multimodality imaging of indolent B cell lymphoma from diagnosis to transformation: what every radiologist should knowA 48-year-old woman with grade I follicular lymphoma treated with rituximab and increased LDH and right arm swelling. a Axial CT image acquired during portal venous phase 6Â months before the onset of new symptoms shows a right retropectoral adenopathy (arrow). b Axial CT image acquired during portal venous phase at the time of increased LDH shows increased size and areas of decreased density of the retropectoral adenopathy (arrowhead). Biopsy of the lesion shows histologic transformation to diffuse large B cell lymphoma, with areas of necrosisBack to article page