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Tumors occurring in Tsc2+/– mice. (a–c) Renal lesions. (a) Gross external appearance, age 15 months. (b) Cyst lesion. (c) Solid adenoma. (d) Liver hemangioma. (e) Lung adenoma. (f) Angiosarcoma of extremity. Scale bars are 4 mm (a), 60 μm (b, c, and e), and 25 μm (d).
