Figure 3From: Clinical relevance of novel Otarine herpesvirus-3 in California sea lions (Zalophus californianus): lymphoma, esophageal ulcers, and strandingsEsophagus from a 24-year old male California sea lion ( Zalophus californianus ) with B cell lymphoblastic lymphoma. Neoplastic cells diffusely express the B cell marker CD20. DAB chromogen. 400X magnification. The cells were negative for the T-cell marker CD3. Similar aggregates of neoplastic cells were identified in multiple tissues, including the adrenal gland, urinary bladder, colon, heart, kidneys, liver, lymph nodes, pancreas, spleen, stomach, tonsil, thyroid, trachea, tongue, and ureterBack to article page