Exploring Individual Nutrition Care Elements and Nutritional Evaluation Methods Within Dietetic Practice in Cancer Care

Inclusion Criteria: Inclusion criteria for the first part of the project involve encountering dietitians treating patients with cancer who have malnutrition or are at risk of malnutrition. For these patients, the inclusion criteria are as follows: * aged ≥18 years with a diagnosed cancer * ongoing nutrition therapy by a dietitian * malnutrition or risk of malnutrition according to the hospitals criteria where at least one of the following criteria must be met: low BMI, involuntary weight loss, and/or eating difficulties. Patients can also be included if they are referred to a dietitian based on treatment guidelines due to a high risk of malnutrition associated with the cancer diagnosis or its medical therapy. For the second part of the project, the inclusion criteria are: * aged ≥18 years with a diagnosed cancer * undergoing or planned treatment, including surgical, oncological, or a combination of these * have been referred to a dietitian but have not yet had their initial contact with the dietitian, and * malnutrition or risk of malnutrition according to the hospital's criteria, where at least one of the following criteria must be met: low BMI, involuntary weight loss, and/or eating difficulties. Patients can also be included if they are referred to a dietitian based on treatment guidelines due to a high risk of malnutrition associated with the cancer diagnosis or its medical therapy. Exclusion Criteria: For the first part of the project, the exclusion criteria regarding patients are: * known dementia or impaired cognitive function, and * not proficient in spoken and written Swedish. For the second part of the project, the exclusion criteria are: * known dementia or impaired cognitive function, * ongoing nutrition therapy by a dietitian at inclusion, and * not proficient in spoken and written Swedish.