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Figure 2


Fig. 1B —84-year-old man with recent cough. (Reprinted with permission from Muhm JR, McCullough AE. The enhancing rim: a new sign of a benign pulmonary nodule. Mayo Clin Proc 2003; 78:1092-1096 [5]) After administration of IV contrast material, nodule rim enhances more intensely than lower density central portion. Center of nodule (region of interest marked) enhanced 17 H.