1. Percutaneous radiofrequency ablation of lung neoplasms: a minimally invasive strategy for inoperable patients1  
Tatsuya Nishida, MD, Kiyotoshi Inoue, MD, Yasuhiro Kawata, MD, Nobuhiro Izumi, MD, Noritoshi Nishiyama, MD, Hiroaki Kinoshita, MD, Toshiyuki Matsuoka, MD, Masami Toyoshima, MD 
Journal of the American College of Surgeons 
Volume 195, Issue 3, Pages (September 2002)
DOI: /S (02)

2. Figure 1
A 68-year-old woman with two previous pulmonary resections of metastatic disease had three new metastatic lung tumors from renal cell carcinoma. (A) Pretreatment CT image shows metastatic lung tumor in S6 of the right lung (arrow). (B) The CT image obtained immediately after radiofrequency (RF) ablation shows a LeVeen Needle inserted into the S6 tumor, and mild ground glass-like opacity corresponding to the lesion induced by RF heat. (C) The CT image obtained 3 days after the procedure shows that the opacity has changed to a rounded high-density area 2 cm in diameter. No changes are observed in the surrounding normal lung parenchyma. (D) The CT image obtained 18 months after the procedure shows that the opacity is smaller but retains a similar shape.
Journal of the American College of Surgeons  , DOI: ( /S (02) )

3. Figure 2
Percutaneous biopsies of the S2 and S6 tumors of the right lung were performed under CT guidance 9 months after treatment. Pathologic findings revealed fibrous granulation with no evidence of residual malignancy.
Journal of the American College of Surgeons  , DOI: ( /S (02) )