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January 14, 2026Journal of Clinical Oncology

Impact of robot-assisted surgery on postoperative sexual function in younger male rectal cancer patients.

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Authors

ASAkio ShiomiShizuoka Cancer CenterYYYusuke YamaokaShizuoka Cancer CenterSMShoichi ManabeShizuoka Cancer Center

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Implication

Prospective analysis reveals robot-assisted surgery reduces erectile dysfunction risk in younger male rectal cancer patients, indicating improved sexual health outcomes.

Key Points

  • To investigate postoperative sexual dysfunction in male rectal cancer patients aged ≤60 years.
  • Subgroup analysis of the LANDMARC study
  • Compared outcomes between laparoscopic and robot-assisted surgery groups
  • Sexual function assessed using Erection Hardness Score and EORTC QLQ-CR38 questionnaries
  • Analyzed outcomes at 3, 6, and 12 months postoperatively
  • Multivariate analysis for identifying risk factors for sexual dysfunction
  • No significant differences in baseline characteristics between surgical groups
  • Robot-assisted surgery associated with lower rates of erectile dysfunction at 12 months (23.5% vs 33.8%)
  • Robot-assisted surgery significantly reduced ejaculatory dysfunction rates at all time points
  • At 12 months, sexual dysfunction incidence was lower in robot-assisted surgery patients (26.3% vs 50.0%)
  • Laparoscopic surgery identified as an independent risk factor for sexual dysfunction (HR 2.34)

Cite This Study

Shiomi et al. (2026) studied this question.

synapsesocial.com/papers/6966f2f013bf7a6f02c004f7https://doi.org/10.1200/jco.2026.44.2_suppl.63
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Robotic vs. 3D laparoscopic resection for rectal cancer: a single-center retrospective study of short-term outcomes and functional recovery2025 · 2 citations
  2. 2Comparative Evaluation of Near-Term Oncologic, Urinary, Sexual, and Postoperative Outcomes in Rectal Cancer: Laparoscopic vs. Robotic Approaches2025 · 2 citations
  3. 3Comparison of Functional Outcomes Between Robotic and Laparoscopic Surgery in Rectal Cancer Patients: Systematic Review and Meta-Analysis2026 · 1 citations
  4. 4Robotic vs Laparoscopic Surgery for Middle and Low Rectal Cancer2025 · 140 citations
  5. 5Exploratory Analysis of Factors Associated With the Recovery of Erectile Dysfunction After Rectal Cancer Surgery (Sub‐Analysis of LANDMARC Trial)2026