Nasrolahi, Hamid, et al. “Fine Needle Aspiration Diagnosed Skin Metastasis in a Young Man With Rectal Cancer”. Reports of Radiotherapy and Oncology, vol. 10, no. 1, Dec. 2023, pp. 123-7, https://waocp.com/journal/index.php/Reports-of-Radiotherapy-and-Onco/article/view/2397.