title: Second malignant tumors in head and neck squamous cell carcinoma: the overshadowing threat for patients with early-stage disease.
authors.affiliation: Department of Medical Oncology, University of Texas, M.D. Anderson Cancer Center, Houston 77030.
authors.forename: S M
authors.initials: SM
authors.lastname: Lippman
authors.forename: W K
authors.initials: WK
authors.lastname: Hong
mesh_terms: D002294:Carcinoma, Squamous Cell; D006258:Head and Neck Neoplasms; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*; D012306:Risk; D014481:United States