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Proton Therapy Delivery and Its Clinical Application in Select Solid Tumor Malignancies

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Re-Staging Following Long-Course Chemoradiotherapy For Rectal Cancer: Does It Influence Management?

A McBrearty¹, K McCallion¹, R J Moorehead¹

¹Department of General Surgery, Ulster Hospital, Dundonald, Belfast, BT16 1RH.

The Ulster Medical Journal

|October 5, 2016

Summary

This summary is machine-generated.

Restaging rectal cancer patients after long-course chemoradiotherapy (LCCRT) significantly alters management plans for 32% of patients. This restaging, using CT and MRI, helps avoid unnecessary surgery in many cases.

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Area of Science:

Oncology
Radiology
Surgical Oncology

Background:

Long-course chemoradiotherapy (LCCRT) is standard for locally advanced or low rectal cancers.
Post-LCCRT restaging is debated due to potential imaging interpretation challenges from treatment effects.
This study evaluated the impact of restaging on rectal cancer patient management after LCCRT.

Purpose of the Study:

To determine if restaging influences management decisions for rectal cancer patients undergoing LCCRT.
To assess the clinical utility of post-treatment imaging in rectal cancer management.
To identify changes in surgical plans based on restaging results.

Main Methods:

Retrospective review of 71 rectal cancer patients treated with LCCRT in 2013.
Analysis of restaging modalities (CT and MRI) and their results.
Documentation of initial and post-treatment management plans from multi-disciplinary team meetings.

Main Results:

32% (19/59) of restaged patients had their management plan altered.
The most common alteration was avoiding surgery.
Complete clinical and radiological response was observed in 17% of restaged patients, while 15% showed disease progression.

Conclusions:

Restaging rectal cancer patients post-LCCRT is crucial, altering management in 32% of cases.
Restaging can lead to avoiding surgery in a significant proportion of patients.
CT and MRI restaging are recommended to optimize treatment pathways and potentially spare patients from unnecessary operations.