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©2013 UpToDate ® Print Email Axial CT six months A 77-year-old woman with biopsy-proven 1.8 cm left lower lobe adenocarcinoma (stage IA NSCLC) who was not considered a surgical candidate due to chronic obstructive pulmonary disease and cardiac risk factors. Contrast-enhanced axial CT at six-months. The area treated has decreased in size without evidence of enhancement (arrow), findings consistent with successful tumor ablation. A small calcified granuloma is present anteriorly. Courtesy of Schirmang, T, MD and Dupuy, D, MD.