National Comprehensive Cancer Network International Prognostic Index

**Semantic type:** Intellectual Product

**Definition:** A prognostic scoring system developed by the National Comprehensive Cancer Network for risk stratification of patients with diffuse large B-cell lymphoma based on clinical factors including age, lactate dehydrogenase level, disease stage, extranodal disease involvement, and Eastern Cooperative Oncology Group performance status.

**Synonyms:** - NCCN-IPI - NCCN-International Prognostic Index