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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Adenocarcinoma in situ and minimally invasive adenocarcinoma in lungs of smokers: image feature differences from those in lungs of non-smokers

Fig. 4

Adenocarcinoma in situ (AIS) (a) and minimally invasive adenocarcinoma (MIA) (b) arising from a non-smoker’s lung. The MIA arising from a non-smoker’s lung shows relatively typical radiological findings with GGO at the periphery and a solid component in the center. Conversely, AIS (c) and MIA (d) arising from a smoker’s lung show relatively low density and are difficult to differentiate

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