Region:Area:Pt:Region of interest.XXX:Qn:US.2D
region:area:pt:region of interest.xxx:qn:us.2d
Region:Area:To identify measures at a point in time:Region of interest.Not specified:Quantitative:Ultrasound.2D
region:area:to identify measures at a point in time:region of interest.not specified:quantitative:ultrasound.2d