title: [Gingival metastasis of lung cancer: report of two cases].
authors.affiliation: Department of Radiation Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
authors.forename: M
authors.initials: M
authors.lastname: Sun
authors.affiliation: Department of Radiation Oncology, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China.
authors.forename: J W
authors.initials: JW
authors.lastname: Luo