ACR Appropriateness Criteria®-Recurrent Rectal Cancer.

Area of Science:

• Oncology
• Radiology
• Evidence-Based Medicine

Background:

• Local recurrence of rectal cancer presents significant challenges, including severe symptoms and limited treatment options.
• Prior treatments can complicate subsequent management, necessitating careful consideration of patient history.
• The American College of Radiology Appropriateness Criteria provide evidence-based guidelines for managing complex clinical conditions.

Purpose of the Study:

• To outline appropriate treatment strategies for local recurrence of rectal cancer.
• To detail the role of chemoradiotherapy, surgery, and palliative care in managing recurrent rectal cancer.
• To emphasize the importance of multidisciplinary expert review and evidence-based guidelines.

Main Methods:

• Analysis of current medical literature from peer-reviewed journals.
• Application of a modified Delphi consensus methodology by a multidisciplinary expert panel.
• Rating the appropriateness of imaging and treatment procedures based on evidence and expert opinion.

Main Results:

• Preoperative 5-FU based chemoradiotherapy is recommended for patients without prior adjuvant therapy or those who received chemotherapy alone.
• For patients with prior radiotherapy, chemoradiotherapy followed by surgical evaluation offers the best outcomes.
• Palliative chemoradiotherapy is appropriate for inoperable recurrent disease after previous radiotherapy.

Conclusions:

• Treatment for local rectal cancer recurrence should be individualized based on prior therapies and disease status.
• Surgery, when feasible, is associated with the best outcomes in managing recurrent rectal cancer.
• Newer systemic treatments and specialized modalities are emerging as important options, preferably within clinical trials.