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International Journal of Surgical Oncology
Volume 2013, Article ID 572149, 8 pages
http://dx.doi.org/10.1155/2013/572149
Clinical Study

Tumor Regression Grades: Can They Influence Rectal Cancer Therapy Decision Tree?

1Digestive Surgery Service, Department of Surgery, Hospital de Santo António, Largo Professor Abel Salazar, 4099-003 Porto, Portugal
2Department of Community Health, Instituto de Ciências Biomédicas Abel Salazar, Rua Jorge Viterbo Ferreira No. 228, 4050-313 Porto, Portugal
3Pathological Anatomy Service, Department of Pathology, Hospital de Santo António, Largo Professor Abel Salazar, 4099-003 Porto, Portugal
4Department of Pathology and Molecular Immunology, Instituto de Ciências Biomédicas Abel Salazar, Rua Jorge Viterbo Ferreira No. 228, 4050-313 Porto, Portugal

Received 30 April 2013; Revised 17 August 2013; Accepted 17 August 2013

Academic Editor: Frank A. Frizelle

Copyright © 2013 Marisa D. Santos et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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