Elkammash, A., Abdel-Hay, M.A., Kanaan, S., Alsinan, M., Taha, Y., Fadul, M. and Degheidy, N. 2021. A Life-Threatening Presentation of Primary Small Cell Colorectal Non-Hodgkin Lymphoma as Cardiac Tamponade and Its Challenging Management . European Journal of Case Reports in Internal Medicine. 8, 8 (Aug. 2021). DOI:https://doi.org/10.12890/2021_002753.