title: [Endoscopy with guided biopsy and cytological examination in the preoperative diagnosis of cancer of the upper digestive tract].
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy / Q000379:methods; D004938:Esophageal Neoplasms / Q000175:diagnosis*; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology; D005188:False Negative Reactions; D005260:Female; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D011300:Preoperative Care; D013194:Staining and Labeling / Q000379:methods; D013270:Stomach / Q000473:pathology; D013274:Stomach Neoplasms / Q000175:diagnosis*
vernacular_title: Endoskopia z celowana biopsja i badaniem cytologicznym w przedoperacyjnej diagnostyce raka górnego odcinka przewodu pokarmowego.