Histiocytic sarcomas can also occur as multiple lesions in single organs (especially spleen), and rapidly disseminate to involve multiple organs. (caninecancer.com)
Recheck single organ (ex: spleen or liver or kidneys) 4. (cheatlakevets.com)
They're all brain; and we're dependent on them Mancuso continues, «Plants distribute all along the body the functions that in animals are concentrated in single organs. (treehugger.com)