[Prevalence of malnutrition risk in patients of cancer outpatient clinics - a cross-sectional survey].

Background: The nutritional status of patients with tumor diseases in German out-patient clinics is largely unknown. This cross-sectional survey on patients with tumor diseases aimed to assess the prevalence of the risk of malnutrition in this group.

Methods: In out-patient clinics of oncologists, patients with a diagnosed cancer disease were consecutively interrogated between June 2017 and May 2018 using a standardized questionnaire.