Solitary rectal ulcer syndrome: MRI findings and differentiation from rectal cancer. - Xie, Peiyi; Lou, Xiaoying; Fu, Shuai; Di, Xiaohui; Huang, Qitong; Zeng, Zhiming; Niu, Kexin; Zhu, Junying; Hu, Meiyu; Meng, Xiaochun (Insights into Imaging, 2025)