(a)
(b)
(c)
(d)
Figure 1: Gross and histologic examination of organs involved with lymphoma. (a) A pedunculated and a subendothelial lymphoma lesion observed in the right atrium. (b) Left upper lung with multiple tan-white tumor lesions. (c) The aorta, lymphoma cells in the small vessel (hematoxylin and eosin (H&E), ×100). (d) Left atrium vessel with neoplastic lymphoid infiltrate (H&E, ×200).