Dr Davit Aghayan is a young surgeon who defended his thesis Laparoscopic parenchyma-sparing surgery in the treatment of colorectal liver metastasis on December 14th 2020 on clinical material from The Intervention Centre. It turns out the his thesis is number 5000 at Faculty of Medicine at University of Oslo. This milestone was celebrated on April 29 at Oslo University Hospital. Dr Aghayan received a gift from the faculty's pro dean for research Jens Petter Berg. The main supervisor professor Bjørn Edwin was also part of the ceremony outside Oslo University Hospital . The high number of dissertations underpins the strong position of the faculty in research and research education. Around 200 dissertations are produced annually. Read more at UiO's website.