A disorder either associated with an increased risk for malignant transformation (e.g., intraepithelial neoplasia, leukoplakia, dysplastic nevus, myelodysplastic syndrome) or that develops as a result of the presence of an existing malignant neoplasm (e.g., paraneoplastic syndrome). The disease is cancer-related condition (Monarch Disease Ontology entry MONDO_0045054). Also known as: cancer related problem/condition, cancer-related problem or condition, oncologic complications, problem/condition, cancer related, problem/condition, cancer-related.