. "A compound that enables or improves the visualization of body structures or functions for medical imaging.NCI" . . "Indicator, Reagent, or Diagnostic Aid"^^ . "Image_Enhancement_Agent"^^ . "Imaging Agent"^^ . "Imaging AgentPTNCI" . "C1512628"^^ . "Imaging Agent"^^ . "Image Enhancement AgentSYNCI" . "C1966"^^ .