preferred_name: Positive findings on doppler duplex, ultrasound, sonogram, or other non-invasive test examination
preferred_name_lc: positive findings on doppler duplex, ultrasound, sonogram, or other non-invasive test examination
label: Positive findings on doppler duplex, ultrasound, sonogram, or other non-invasive test examination
label_lc: positive findings on doppler duplex, ultrasound, sonogram, or other non-invasive test examination