title: Downstaging of a rectal gastrointestinal stromal tumor by neoadjuvant imatinib therapy allowing for a conservative surgical approach.
authors.forename: Gustavo dos
authors.initials: Gd
authors.lastname: Santos Fernandes
authors.forename: Guilherme Cutait de
authors.initials: GC
authors.lastname: Castro Cotti
authors.forename: Daniela
authors.initials: D
authors.lastname: Freitas
authors.forename: Raul
authors.initials: R
authors.lastname: Cutait
authors.forename: Paulo M
authors.initials: PM
authors.lastname: Hoff
mesh_terms: D000328:Adult; D000970:Antineoplastic Agents / Q000627:therapeutic use*; D001549:Benzamides; D046152:Gastrointestinal Stromal Tumors / Q000188:drug therapy / Q000473:pathology / Q000601:surgery; D006801:Humans; D000068877:Imatinib Mesylate; D008297:Male; D020360:Neoadjuvant Therapy; D009367:Neoplasm Staging; D010879:Piperazines / Q000627:therapeutic use*; D011743:Pyrimidines / Q000627:therapeutic use*; D012004:Rectal Neoplasms / Q000188:drug therapy / Q000473:pathology / Q000601:surgery
chemical_list: D000970:Antineoplastic Agents; D001549:Benzamides; D010879:Piperazines; D011743:Pyrimidines; D000068877:Imatinib Mesylate
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