title: Letter to the editor.
authors.affiliation: Department of Clinical Sciences, Flint Animal Cancer Center, Colorado State University, Fort Collins, CO, USA. deanna.worley@colostate.edu.
authors.forename: Deanna R
authors.initials: DR
authors.lastname: Worley
mesh_terms: D000818:Animals; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D017024:Chemotherapy, Adjuvant / Q000662:veterinary*; D004283:Dog Diseases / Q000188:drug therapy / Q000473:pathology*; D004285:Dogs; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D034801:Mastocytoma / Q000188:drug therapy / Q000473:pathology / Q000662:veterinary*
chemical_list: D000970:Antineoplastic Agents