Controversies in the multimodality management of locally advanced rectal cancer.

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Controversies in the multimodality management of locally advanced rectal cancer.

Med Oncol. 2017 Jun;34(6):102

Authors: Díaz Beveridge R, Akhoundova D, Bruixola G, Aparicio J

Abstract
Neoadjuvant radiotherapy previous to radical surgery, both as short-course radiotherapy and as long-course radiotherapy combined with 5-FU-based chemotherapy (LCRCT), is routinely used in the management of locally advanced rectal cancer, with consistent benefits in the reduction in the local relapse risk. Unfortunately, survival benefits have been elusive to demonstrate with this approach, especially in the setting of radical surgery in the form of total mesorectal excision (TME). Concerns about over-treating early-stage patients and about the possible long-term side effects have also cast more doubts in a blanket approach of treating all patients with neoadjuvant radiotherapy, especially with LCRCT. In this review of selected controversial topics in locally advanced rectal cancer, we examine the benefits and drawbacks for the use of both neoadjuvant approaches in the TME era, the role of the intensification of the neoadjuvant regimens with new chemotherapy agents and modifications of the radiotherapy regimen, the usefulness of adjuvant chemotherapy, especially after LCRCT and surgery, and the management of elderly and/or frail patients. Finally, we offer some future perspectives in the management of these patients.

PMID: 28439842 [PubMed - in process]

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