Radiosensitivity Index

**Semantic type:** Gene or Genome

**Definition:** A set of genetic markers that predicts the fraction of cells that could survive radiotherapy based on the expression levels of 10 genes (AR, JUN, STAT1, PKC, RELA, ABL, SUMO1, CDK1, HDAC1, and IRF1) in a patient's tumor.

**Synonyms:** - RSI