Patient and Lesion Characteristics for Stool Study.

Abbreviation: –, not applicable. a Cases comprised patients with at least one SSP (sessile serrated polyp) ≥1 cm found on screening or surveillance colonoscopy and without synchronous advanced adenomas or CRC. b Control patients had no pathology (no CRC, colorectal polyps, hemorrhagic lesions, or inflammation) on screening or surveillance colonoscopy. c Right-sided location was defined as proximal to the splenic flexure. d Patients found to harbor synchronous polyps (adenomatous or serrated) <1 cm in size were included as cases.