1. Metastatic Rectal Small Cell Carcinoma: A Case Report
   Haisam Abid et al, 2020, Cureus CrossRef
2. Poorly differentiated neuroendocrine rectal carcinoma with uncommon immune-histochemical features and clinical presentation with a subcutaneous metastasis, treated with first line intensive triplet chemotherapy plus bevacizumab FIr-B/FOx regimen: an experience of multidisciplinary management in clinical practice
   null null et al, 2019, BMC Cancer CrossRef
3. A Rare Case of Rectosigmoid Small Cell Carcinoma
   Zhuang Hui Mark Le et al, 2023, Cureus CrossRef