Figure 3.

Right lower lobe nodule previously treated with surgery. A₁. Axial CT image shows a small nodule next to a surgical staple line; A₂. Correlating PET/CT image shows focal nodular hypermetabolic activity within the nodule, consistent with local tumor recurrence; B₁. Axial CT image shows a cryoablation probe within this right lower lobe lesion; B₂. Immediate post-cryoablation image shows expected groundglass opacity surrounding the lesion; C₁. CT at 1-year follow-up shows resolution of previous nodule by staple line; C₂. Correlating PET/CT image at 1-year follow-up shows no FDG uptake by staple line.