Measurement(s) H&E slide staining • ex vivo light microscopy with immunohistochemistry and digital image analysis • Image Annotation Statement • Screening Colonoscopy Technology Type(s) Hematoxylin and Eosin Staining Method • bright-field microscopy • Observation • Biopsy of Colon Factor Type(s) screening status of colon cancer or normal tissue Sample Characteristic - Organism Homo sapiens Sample Characteristic - Location Central Hungary