"Precancerous Condition by Site"^^ . "Precancerous Condition by Site"^^ . "Premalignant Condition by SiteSYNCI" . "C7422"^^ . "Precancerous Condition by SiteHDNCI" . . "Header_Concept"^^ . "Precancerous_Condition_by_Site"^^ . "C1335466"^^ . "Disease or Syndrome"^^ . .