1. Rectal neuroendocrine tumor as an incidental finding in the doughnut of rectal adenocarcinoma resection specimen. What would have happened if we had not examined the doughnut?
   Leonardo S. Lino-Silva et al, 2018, Surgery CrossRef
2. Microcarcinoid arising in patients with long-standing ulcerative colitis: histological analysis
   Sachie Kanada et al, 2017, Human Pathology CrossRef