June 23, 2023, 16:30-18:10, Athens, Greece. Dr Rigakos will participate in the 14th Postgraduate Seminar of Clinical and Research Oncology, which is organized by the Hellenic Foundation for Cancer Research where he will deliver a lecture on “Neoadjuvant therapy in rectal cancer”. The session will be held June 22-24, 2023, at the American School of Classics Gennadios Library – The Cotsen Hall in Athens.