Source:http://linkedlifedata.com/resource/umls/id/C0007125
MSH: A transplantable, poorly differentiated malignant tumor which appeared originally as a spontaneous breast carcinoma in a mouse. It grows in both solid and ascitic forms.,CSP: experimental neoplasm that is transplantable, poorly differentiated and malignant; appeared originally as a spontaneous breast carcinoma in a mouse; grows in both solid and ascitic forms.