title: Primary malignancies as a secondary disease.
authors.forename: A
authors.initials: A
authors.lastname: Ekbom
mesh_terms: D015331:Cohort Studies; D003924:Diabetes Mellitus, Type 2 / Q000150:complications*; D006801:Humans; D015212:Inflammatory Bowel Diseases / Q000150:complications*; D009369:Neoplasms / Q000453:epidemiology / Q000209:etiology*; D011230:Precancerous Conditions / Q000473:pathology*; D018570:Risk Assessment