Comment on

• Role of diffusion-weighted MR imaging in the differentiation of benign retroperitoneal fibrosis from malignant neoplasm: preliminary study.

  Bakir B, Yilmaz F, Turkay R, Ozel S, Bilgiç B, Velioglu A, Saka B, Salmaslioglu A. Bakir B, et al. Radiology. 2014 Aug;272(2):438-45. doi: 10.1148/radiol.14131565. Epub 2014 Apr 1. Radiology. 2014. PMID: 24702726
• Imaging-based evaluation of retroperitoneal fibrosis: a challenge for radiologists.

  Liang W, Xu S. Liang W, et al. Radiology. 2015 Mar;274(3):937-8. doi: 10.1148/radiol.14141682. Radiology. 2015. PMID: 25710345 No abstract available.