title: In Reply.
authors.affiliation: 1  Department of Pathology and Laboratory Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
authors.forename: Raja R
authors.initials: RR
authors.lastname: Seethala
authors.affiliation: 2  Department of Pathology, Woodland Hills Medical Center, Woodland Hills, California.
authors.forename: Lester D R
authors.initials: LD
authors.lastname: Thompson
authors.affiliation: 3  Department of Pathology, University Health Network, Toronto, Ontario, Canada.
authors.forename: Sylvia L
authors.initials: SL
authors.lastname: Asa
authors.affiliation: 1  Department of Pathology and Laboratory Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania.
authors.forename: Yuri E
authors.initials: YE
authors.lastname: Nikiforov
mesh_terms: D006801:Humans; D008207:Lymphatic Metastasis / Q000473:pathology*; D009367:Neoplasm Staging / Q000379:methods*; D010338:Pathology, Clinical / Q000592:standards*; D013964:Thyroid Neoplasms / Q000145:classification* / Q000473:pathology*