9 下列何者不屬於癌前病變 (precancerous lesion)?
(A)口腔紅斑症 (oral erythroplakia)
(B)日曬性唇炎 (actinic cheilitis)
(C)增生性疣狀白斑 (proliferative verrucous leukoplakia)
(D)尼古丁口炎 (nicotinic stomatitis)
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統計: A(4), B(36), C(9), D(239), E(0) #2229303
統計: A(4), B(36), C(9), D(239), E(0) #2229303