text: Representative time histories of the estimated SatO2 levels of normal cortex (black) and tumor (grey) from all six patients.
  
entities.text: ['cortex']
entities.type: Multi-tissue_structure
entities.entity_id: PMC-3087566-caption-11_T1
entities.text: ['tumor']
entities.type: Pathological_formation
entities.entity_id: PMC-3087566-caption-11_T2