Fig. 6
From: Evaluation of the solitary pulmonary nodule: size matters, but do not ignore the power of morphology
A 79-year-old man with a previous history of colon carcinoma with lymph node metastases 4Â years earlier presented during follow-up with a 15Â mm solitary pulmonary nodule. Axial CT in lung window setting shows a 15Â mm round well-delineated solid nodule with smooth border in the right lower lobe. Histopathological examination after robot-assisted lobectomy showed a moderately differentiated squamous cell carcinoma