Fig. 5

Axial computed tomography images show recurrence during follow-up. First row: A 62 year-old woman with lung adenocarcinoma. a The primary original lesion at the right lower lobe appears as a part-solid nodule with irregular consolidation (white arrow). b–c An emerging nodule diagnosed as metastasis at the right upper lobe (white arrow). Second row: A 55 year-old woman with lung adenocarcinoma (white arrow). d The primary original lesion at the left upper lobe appears as a part-solid nodule with irregular consolidation. e–f Osteolytic destruction of the vertebra and pleural thickening accompanied with pleural effusion both diagnosed as metastasis