title: Primary malignant melanoma of lacrimal sac.
authors.affiliation: Department of Oncology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Min
authors.initials: M
authors.lastname: Ren
authors.affiliation: Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Ji-Hong
authors.initials: JH
authors.lastname: Zeng
authors.affiliation: Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Qing-Li
authors.initials: QL
authors.lastname: Luo
authors.affiliation: Department of Oncology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Feng
authors.initials: F
authors.lastname: Bi
authors.affiliation: Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Jun
authors.initials: J
authors.lastname: Chen