【yewseenhang】評論
(A) Recurrence is possible in rare cases, as well as a small risk (5%) of malignant transformation with longstanding lesions to a carcinoma ex pleomorphic adenoma.正確，復發機會低，約有5％的比例可能轉變為惡性。(B)In the major glands, the parotid gland is involved in more than 80% of cases.中文補充：主唾液腺中最好發於腮腺(C)In the minor glands the most common intraoral site is the palate.中文補充：小唾液腺中最好發於上顎(D)The pleomorphic adenoma, or benign mixed tumor, is the most common salivary gland tumor.中文補充：為最常見的唾液腺良性腫瘤