# Rectal Location and Postcolonoscopy Colorectal Cancer Outcomes

**Authors:** Charles J. Kahi, Laura J. Myers, Patrick O. Monahan, Barry C. Barker, Timothy E. Stump, Thomas F. Imperiale

PMC · DOI: 10.1001/jamanetworkopen.2025.13391 · JAMA Network Open · 2025-06-02

## TL;DR

This study investigates if the location of colorectal cancer in the rectum affects survival outcomes after colonoscopy.

## Contribution

The study introduces a focus on rectal cancer location as a potential factor in postcolonoscopy cancer outcomes.

## Key findings

- Patients with rectal cancer had different survival outcomes compared to those with proximal cancers.
- Cancer location may influence the effectiveness of colonoscopy in detecting and preventing colorectal cancer.

## Abstract

This cohort study examines whether there are survival differences among patients with postcolonoscopy colorectal cancer based on cancer location.

## Linked entities

- **Diseases:** colorectal cancer (MONDO:0005575)

## Full-text entities

- **Diseases:** Colorectal Cancer (MESH:D015179)

## Full text

_Full body text omitted from this summary view._ Fetch the complete paper as Markdown: https://tomesphere.com/paper/PMC12131095/full.md

## References

6 references — full list in the complete paper: https://tomesphere.com/paper/PMC12131095/full.md

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Source: https://tomesphere.com/paper/PMC12131095