Dana M. Omer

General Surgery

21311 Madrona Ave
Suite 101
Torrance, CA 90503

Last Updated: 09/26/2026

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Found 30 publications

Nonoperative Management in Patients With Early-Onset Rectal Adenocarcinoma: A Retrospective Cohort Study.

Nonoperative Management in Patients With Early-Onset Rectal Adenocarcinoma: A Retrospective Cohort Study.

Journal: Diseases of the colon and rectum

Published: August 04, 2026

Ultrasensitive ctDNA monitoring for organ preservation in patients with locally advanced rectal cancer.

Ultrasensitive ctDNA monitoring for organ preservation in patients with locally advanced rectal cancer.

Journal: NPJ precision oncology

Published: May 29, 2025

Accuracy of Flexible Sigmoidoscopy and MRI in Restaging Rectal Cancer after Neoadjuvant Therapy: A Secondary Analysis of the OPRA Randomized Clinical Trial.

Accuracy of Flexible Sigmoidoscopy and MRI in Restaging Rectal Cancer after Neoadjuvant Therapy: A Secondary Analysis of the OPRA Randomized Clinical Trial.

Journal: Annals of surgery

Published: May 06, 2025

Clinical and Genomic Characterization of Secondary Rectal Cancer After Radiotherapy for Prostate Cancer.

Clinical and Genomic Characterization of Secondary Rectal Cancer After Radiotherapy for Prostate Cancer.

Journal: JAMA network open

Published: March 18, 2025

The value of MRI and flexible sigmoidoscopy in detecting tumor regrowth in watch and wait rectal cancer patients undergoing active surveillance after total neoadjuvant therapy.

The value of MRI and flexible sigmoidoscopy in detecting tumor regrowth in watch and wait rectal cancer patients undergoing active surveillance after total neoadjuvant therapy.

Journal: Surgical endoscopy

Published: January 25, 2025

Does Radiation Boost Dose Affect Organ Preservation Rates? A Secondary Analysis of the Organ Preservation in Patients With Rectal Adenocarcinoma Trial.

Does Radiation Boost Dose Affect Organ Preservation Rates? A Secondary Analysis of the Organ Preservation in Patients With Rectal Adenocarcinoma Trial.

Journal: International journal of radiation oncology, biology, physics

Published: January 16, 2025

Correlation Between Grade of Clinical Response to Neoadjuvant Therapy for Rectal Cancer and Oncologic Outcomes in the Era of Watch-and-Wait.

Correlation Between Grade of Clinical Response to Neoadjuvant Therapy for Rectal Cancer and Oncologic Outcomes in the Era of Watch-and-Wait.

Journal: Diseases of the colon and rectum

Published: January 14, 2025

Assessing Racial Disparities in Guideline-Concordant Care and Clinical Outcomes after Surgical Resection of Nonmetastatic Colon Cancer at a Comprehensive Cancer Center.

Assessing Racial Disparities in Guideline-Concordant Care and Clinical Outcomes after Surgical Resection of Nonmetastatic Colon Cancer at a Comprehensive Cancer Center.

Journal: Cancer research communications

Published: December 20, 2024

Outcomes of Palliative Hemipelvectomy in Comprehensive Cancer Center Patients with Metastatic Cancer: Retrospective Study.

Outcomes of Palliative Hemipelvectomy in Comprehensive Cancer Center Patients with Metastatic Cancer: Retrospective Study.

Journal: Journal of the American College of Surgeons

Published: December 12, 2024

Survival among patients treated with total mesorectal excision or selective watch-and-wait after total neoadjuvant therapy: a pooled analysis of the CAO/ARO/AIO-12 and OPRA randomized phase II trials.

Survival among patients treated with total mesorectal excision or selective watch-and-wait after total neoadjuvant therapy: a pooled analysis of the CAO/ARO/AIO-12 and OPRA randomized phase II trials.

Journal: Annals of oncology : official journal of the European Society for Medical Oncology

Published: November 05, 2024

MRI Predicts Residual Disease and Outcomes in Watch-and-Wait Patients with Rectal Cancer.

MRI Predicts Residual Disease and Outcomes in Watch-and-Wait Patients with Rectal Cancer.

Journal: Radiology

Published: September 03, 2024

Alliance A022104/NRG-GI010: The Janus Rectal Cancer Trial: a randomized phase II/III trial testing the efficacy of triplet versus doublet chemotherapy regarding clinical complete response and disease-free survival in patients with locally advanced rectal cancer.

Alliance A022104/NRG-GI010: The Janus Rectal Cancer Trial: a randomized phase II/III trial testing the efficacy of triplet versus doublet chemotherapy regarding clinical complete response and disease-free survival in patients with locally advanced rectal cancer.

Journal: BMC cancer

Published: May 22, 2024

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Last Updated: 09/26/2026