Low-Intermediate Risk Mantle Cell Lymphoma International Prognostic Index Combined Biologic Index

**Semantic type:** Intellectual Product

**Definition:** Low risk MIPI score (0-3) and Ki-67 greater than or equal to 30% or Intermediate risk MIPI score (4-5) and Ki-67 less than 30%. MIPI-c low-intermediate risk equals a MIPI-c score of 1.