Radiofrequency ablation for pulmonary metastases from esophageal squamous cell carcinoma. - Baba, Y.; Watanabe, M.; Kawanaka, K.; Iwagami, S.; Ishimoto, T.; Iwatsuki, M.; Yoshida, N.; Yamashita, Y.; Baba, H. (Diseases of the Esophagus, 2014)