neoplasm
• within 7 months mice develop one or more tumors
• tumors are often composed of different cell types and frequently show biphasic morphology
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• a few mice develop adenocarcinoma of the intestinal tract
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• within 7 months mice develop one or more tumor that are predominantly skin tumor such as squamous cell carcinoma, basal cell carcinoma and tricho-epithelioma/hair-germ-cell tumors
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• several mice develop lymphoma and leukemia
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• several mice develop lymphoma and leukemia
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• one mouse develops spontaneous melanoma at 3 weeks of age
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• within 7 months mice develop one or more tumor including various soft tissue sarcomas
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integument
• within 7 months mice develop one or more tumor that are predominantly skin tumor such as squamous cell carcinoma, basal cell carcinoma and tricho-epithelioma/hair-germ-cell tumors
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digestive/alimentary system
• a few mice develop adenocarcinoma of the intestinal tract
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