Dr. Rongen specializes in general surgery. This is a very broad field, which includes treatments for:
Colon cancer
Breast cancer
Skin cancer
Gallbladder disease
Inguinal hernias
But also common problems that can be treated on an outpatient basis at Euro Clínica Rincón, such as:
Varicose veins
Hemorrhoids
Ingrown toenails
Abscesses
After completing his training as a surgeon, he also became a fellow in oncological and gastrointestinal surgery. He obtained his PhD from Maastricht University on surgical treatment of fecal incontinence. He has been working in Spain since 2008.