21.若想要以雙重攝影方式觀察升結腸的息肉(polyp)時,下列那一種攝影擺位方式最適合?
(A)left lateral decubitus position(AP position projection)
(B)right lateral decubitus position(AP position projection)
(C)LPO position
(D)RPO position
(A)left lateral decubitus position(AP position projection)
(B)right lateral decubitus position(AP position projection)
(C)LPO position
(D)RPO position
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統計: A(689), B(221), C(351), D(216), E(0) #3199679
統計: A(689), B(221), C(351), D(216), E(0) #3199679