Low-dose CT screening image and follow-up diagnostic CT image. Low-dose CT screening image with an image slice thickness and interval of 3 mm. Follow-up diagnostic CT image with an image slice thickness and interval of 1 mm. 57-year-old man with adenocarcinoma presenting as pure GGO with multiloculated cystic lesions in the right upper lobe. Result of pathological staging operable patient (T1N0M0).