5c–f ), significant differences were detected between the TRA/AAH/AIS and IAC groups in terms of age; additionally, highly significant differences were detected between the TRA/AAH/AIS/MIA groups and the IAC group regarding the maximum diameter.
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Analysis of CT morphologic features and attenuation for differentiating among transient lesions, atypical adenomatous hyperplasia, adenocarcinoma in situ, minimally invasive and invasive adenocarcinoma presenting as pure ground-glass nodules.
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The sentences
The maximum diameter and maximum CT attenuation exhibited an increasing trend according to the pathologic disease severity from AAH to IAC.