Prof. Hölscher has received the Honorary Fellowship of the Portuguese Society of Surgery during the annual congress of this distinguished society in 2019.

He has also obtained during the last years the Honorary Fellowship of following International Societies:

• French Society of Surgery (2014)
• Swiss Society of Visceral Surgery (2015)
• Austrian Society of Surgery (2016)
• Romanian Society of Surgery (2018)
• Chilean Society of Surgery (2018)
• European Society for Diseases of the Esophagus (ESDE) (2019)