Endoscopic examination. A: Endoscopic examination revealed that the dilated anastomosis remained and the mucosal inflammation was partially improved; B: Three weeks after discharge, endoscopic examination revealed that the dilated anastomosis remained, while the mucosal inflammation had worsened; C: Two weeks after readmission, endoscopic examination revealed improvements in the mucosal inflammation. Only tiny orifices, corresponding to pseudodiverticulosis, remained.