In the context of the postgraduate courses organized by the First Department of Propaedeutic Surgery,University of Athens Medical School at “Hippocration” General Hospital of Athens, Dr Tsekouras was invited by Professor G. C. Zografos, Professor of Surgery and chairman of the First Department of Propaedeutic Surgery,University of Athens medical school, to participate as a lecturer with the theme: "Melanoma", to medical students and doctors.