51.原發性的陰道癌(vaginal cancer),並不多見,最常發生在陰道的那個部位?
(A)上三分之一的陰道後壁(upper one-third of the vagina on the posterior wall)
(B)上三分之一的陰道前壁(upper one-third of the vagina on the anterior wall)
(C)下三分之一的陰道後壁(lower one-third of the vagina on the posterior wall)
(D)下三分之一的陰道前壁(lower one-third of the vagina on the anterior wall)
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統計: A(238), B(50), C(91), D(21), E(0) #2363482
統計: A(238), B(50), C(91), D(21), E(0) #2363482