Retraction Note to: Tumor Biol (2015) 36:2437–2445

DOI 10.1007/s13277-014-2854-4

This article has been retracted at the request of the Editor-in-Chief, the International Society of Oncology and BioMarkers (ISOBM) and the Publisher per the Committee on Publication Ethics guidelines. The article shows evidence of irregularities in authorship during the submission process, there is strong reason to believe that the peer review process was compromised and the article contains patchwork plagiarism from a variety of sources.

The main sources are (amongst others):

Bruce E. LeRoya, icole Northrup, Prostate cancer in dogs: Comparative and clinical aspects. The Veterinary Journal. 2009; 180:2 149-162 DOI: 10.1016/j.tvjl.2008.07.012

J. Smith, Canine prostatic disease: A review of anatomy, pathology, diagnosis, and treatment, Proceedings of the Annual Conference of the Society for Theriogenology. The Society for Theriogenology 2008 Annual Conference, Theriogenology. 2008; 70:3 375–383 DOI: 10.1016/j.theriogenology.2008.04.039

H.F. L’Eplattenier, B. Klem, E. Teske, F.J. van Sluijs, S. A. van Nimwegen , J. Kirpensteijn, Preliminary results of intraoperative photodynamic therapy with 5-aminolevulinic acid in dogs with prostate carcinoma. The Veterinary Journal. 2008; 178:202-207

As such the validity of the content of this article cannot be verified.