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87
Rutilus rutilus
Roach (inc. hybrids)
Lymphosarcoma
Tissue mass
Unknown
Unknown
Probably arising from haematopoietic tissue
A few fish of this species show the anomaly.
Densely packed basophilic lymphoid cells interspersed with small blood vessels and small areas of cellular necrosis. "Starry sky" features present.
Unknown
Yorkshire
UK
Yorkshire Water Authority
10/16/1979
