On November 8th 2021 dr Leonid Barkhatov defended his thesis with the topic Modern trends in surgical treatment of colorectal liver metastases: From laparoscopic parenchyma-sparing resection to focused ultrasound ablation at Faculty of Medicine Universty of Oslo. Dr Barkhatov's research has been performed at The Intervention Centre. Principal supervisor for the PhD project was professor Bjørn Edwin, and co-supervisors were dr Airazat M. Kazaryan and professor emeritus Per Kristian Hol. Topic for the Trial Lecture was Laparoscopic surgery of the pancreas: from standardized practice toward challenging perspectives. Read more from UiO's website announcement here. Picture from left: dr Kazaryan, dr Barkhativ, professor Edwin and professor emeritus Trond Buanes who also was Chari of the Defence from University of Oslo.