Well-Differentiated Neuroendocrine Tumor Emerging Following Chemoradiation Therapy of a Colorectal Adenocarcinoma

Neoadjuvant chemoradiation is one of the cornerstones of colorectal adenocarcinoma management. This approach can lead to tumor regression in some patients and has shown to be prognostically beneficial. We report a case of rectal neuroendocrine tumor occurring following chemoradiation of a rectal adenocarcinoma. The patient is a 45-year-old …