Results: All appearances on CT films probably express to four types: Nodes type(25/45),lymph and interstratifications spread type(7/45),milium type(3/45),mixture type(10/45).

• 结果:本组45例病例其肺部CT表现大致可分为四型:结节型(25/45)、淋巴和间质播散型(7/45)、粟粒型(3/45)、混合型(10/45)。