A.2mm B.1.5mm C.0.25mm D.0.5mm E.1mm
A.CT B.X線胸片 C.MRI D.超聲 E.常規(guī)斷層
A.肺部彌漫性病變 B.肺氣腫 C.咯血 D.大范圍氣胸 E.腫瘤分期