The internationally renowned Journal The American Journal of Gastroenterology published The results of a case-control study conducted by Lin Lin's team in The Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University (Cheng J, Li L, Xu F, et al. Poststroke constipation is associated with impaired rectal sensation [J]. Am J Gastroenterol, 2020, 115 (1): 105-114), which was the first to identify impaired rectal sensory function in patients with poststroke constipation (PSC).