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1968Senator Hans-Hermann Rösner-Mautby establishes the Bad Trissl oncology clinic in Oberaudorf
1977The clinic becomes a founding member of the Munich Tumor Center
1999After his father's death, Senator Peter Rösner takes over as Head of the clinic and launches a comprehensive investment program
2003The Department of Regional Deep Hyperthermia is opened
2006A separate practice for radiotherapy is opened at the clinic, including a state-of-the-art linear accelerator and a 40-slice CT scanner for inpatient and outpatient care
2006Ward block D is fully renovated. Along with very pleasant patient rooms, eight luxury suites are built for patients with special requirements
2007Opening of the palliative care unit
2008The clinic acquires a radiology practice and combines it with the existing radiotherapy practice to form MVZ InnMed directly on site
2011The clinic adds a magnetic resonance imaging system to its diagnostic equipment, which is also available for outpatients
2011The new Specialist Department for Internal Medicine II is opened, which, in addition to conventional therapies, offers supportive therapies from the field of complementary medicine
2011The Bad Trissl Clinic takes a majority stake in MVZ Elisenhof Munich
2011/2012The clinic expands MVZ InnMed with gynecology and internal medicine specialties
2015Plans for establishing an oncological Psychosomatic Department