Yildirim, Mehmet, Ali Coskun, Mete Pürten, Ozgur Oztekin, and Enver Ilhan. 2010. “A Clinical Case of the Penile Metastasis from the Rectal Carcinoma”. Radiology and Oncology 44 (2). https://radioloncol.com/index.php/ro/article/view/1135.