Annals of Coloproctology

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Colorectal cancer

The Korean Rectal Cancer Multidisciplinary Committee Clinical Practice Guidelines for Rectal Cancer version 2.0: Hyo Seon Ryu, Hyun Jung Kim, Dong Hyun Kang, Yoo-Kang Kwak, Han Deok Kwak, Yoon-Hye Kwon, Dalyong Kim, Baek-Hui Kim, Jae Hyun Kim, Ji Hun Kim, Jin Won Kim, Tae Hyung Kim, Hae Young Kim, Soo Min Nam, Gyoung Tae Noh, Jun Woo Bong, Nak Song Sung, Seon Hui Shin, Kil-Yong Lee, Sung Chul Lee, Sea-Won Lee, Jung Won Lee, Jong Min Lee, Myung Hoon Ihn, Joo Han Lim, Woong Bae Ji, Dae Hee Pyo, Young Ki Hong, Jung-Myun Kwak, on behalf of the Korean Rectal Cancer Multidisciplinary (KRCM) Committee; Ann Coloproctol. 2026;42(1):4-33. Published online February 24, 2026; DOI: https://doi.org/10.3393/ac.2025.01396.0199

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Abstract PDF Supplementary Material: Rectal cancer, which accounts for approximately 40% of colorectal cancers, remains a major clinical concern. Recent advances in diagnostic imaging, surgical techniques, radiotherapy, and systemic treatment have steadily improved rectal cancer outcomes. Considering this, the Korean Rectal Cancer Multidisciplinary (KRCM) Committee has aimed to provide clinicians and policymakers with up-to-date, evidence-based clinical practice guidelines to support optimal decision-making, reflecting current evidence, the Korean healthcare context, and patient values and preferences. The Clinical Practice Guidelines for Rectal Cancer version 2.0 were developed through multidisciplinary collaboration with related academic societies, building upon and updating the KRCM Clinical Practice Guidelines version 1.0 (titled “Multidisciplinary guidelines for the management of rectal cancer”). These consensus guidelines of the KRCM were established based on a comprehensive literature review, evidence synthesis, with recommendation development guided by the GRADE (Grading of Recommendations Assessment, Development and Evaluation) methodology, and consideration of applicability in real-world clinical practice under the national health insurance system. Each recommendation has been presented with its strength and level of evidence.

Erratum

Erratum: Biofeedback Therapy Before Ileostomy Closure in Patients Undergoing Sphincter-Saving Surgery for Rectal Cancer: A Pilot Study: Jeong-Ki Kim, Byeong Geon Jeon, Yoon Suk Song, Mi Sun Seo, Yoon-Hye Kwon, JI Won Park, Seung-Bum Ryoo, Seung-Yong Jeong, Kyu Joo Park; Ann Coloproctol. 2015;31(5):205-205. Published online October 31, 2015; DOI: https://doi.org/10.3393/ac.2015.31.5.205

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Original Article

Biofeedback Therapy Before Ileostomy Closure in Patients Undergoing Sphincter-Saving Surgery for Rectal Cancer: A Pilot Study: Jeong-Ki Kim, Byeong Geon Jeon, Yoon Suk Song, Mi Sun Seo, Yoon-Hye Kwon, JI Won Park, Seung-Bum Ryoo, Seung-Yong Jeong, Kyu Joo Park; Ann Coloproctol. 2015;31(4):138-143. Published online August 31, 2015; DOI: https://doi.org/10.3393/ac.2015.31.4.138

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15 Web of Science
15 Citations

Abstract PDF

Purpose

This study prospectively investigated the effects of biofeedback therapy on objective anorectal function and subjective bowel function in patients after sphincter-saving surgery for rectal cancer.

Methods

Sixteen patients who underwent an ileostomy were randomized into two groups, one receiving conservative management with the Kegel maneuver and the other receiving active biofeedback before ileostomy closure. Among them, 12 patients (mean age, 57.5 years; range, 38 to 69 years; 6 patients in each group) completed the study. Conservative management included lifestyle modifications, Kegel exercises, and medication. Patients were evaluated at baseline and at 1, 3, 6, and 12 months after ileostomy closure by using anal manometry, modified Wexner Incontinence Scores (WISs), and fecal incontinence quality of life (FI-QoL) scores.

Results

Before the ileostomy closure, the groups did not differ in baseline clinical characteristics or resting manometric parameters. After 12 months of follow-up, the biofeedback group demonstrated a statistically significant improvement in the mean maximum squeezing pressure (from 146.3 to 178.9, P = 0.002). However, no beneficial effect on the WIS was noted for biofeedback compared to conservative management alone. Overall, the FI-QoL scores were increased significantly in both groups after ileostomy closure (P = 0.006), but did not differ significantly between the two groups.

Conclusion

Although the biofeedback therapy group demonstrated a statistically significant improvement in the maximum squeezing pressure, significant improvements in the WISs and the FI-QoL scores over time were noted in both groups. The study was terminated early because no therapeutic benefit of biofeedback had been demonstrated.

Citations

Citations to this article as recorded by

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