79. 黑色箭頭所指為何?
(A)骨膜反應(periosteal bone reaction)
(B)腐骨(sequestra)
(C)腫瘤團塊(tumor mass)
(D)軟組織鈣化(soft tissue calcification)

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統計: A(18), B(512), C(0), D(2), E(0) #1150718