45.雌犬常見,且常轉移到肺臟的腫瘤是:
(A)惡性脂肪瘤(liposarcoma)
(B)惡性鱗狀細胞瘤(squamous cell carcinoma)
(C)惡性肥胖細胞瘤(malignant mast cell tumor)
(D)惡性乳腺瘤(malignant mammary gland tumor)

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統計: A(8), B(27), C(34), D(1053), E(0) #857465