!y,RegexClassifier,negative_label,'n'
"((un[-]?enhanced)|(non[\s-]?contrast))",-2
"filling(-|\s)?defect",0,"((\bno\b)|(negative)|(without)|(question))","i",0,"(arter)","r",2,"dict:'\(vessels\)'","i",0
"subsegmental",0,"((single)|(\sone\s))","r",-2,"at\s?least one","i",0
"subsegmental\s?pulmonary\s?embolus",-2
"thromb",0,"((no\s)|(negative)|(without)|(iliac)|(aneurysm)|(question))","i",0,"arter","r",2,"chronic","i",0,"cannot be ruled out","i",0
"thromb",0,"((no\s)|(negative)|(without)|(question))","i",0,"chronic","r",-2
"(pulmonary\s?embol|\bPE\b)",0,"((without)|(protocol)|(rule.out)|(no\s)|(question))","i",0,"(\bsegmental\b|multiple|lobe|bilateral|suspicio|consistent)","r",1,"chronic","r",-2,"negative","r",-2
"(pulmonary\s?embol|\bPE\b)",0,"positive","r",1
"acute\s?(thromb|PE|embol)",2,"((no\s)|(negative))","r",-1
"embol",0,"((no\s)|(negative))","r",-1,"no evidence","r",-2
"\bno\b .* \bPE\b",-2
"acute\s?(pulmonary|on\s?chronic|segmental|lobar)",0,"(thromb)|(embol)|(filling(-|\s)?defect)|(\bPE\b)","r",2,"((no\s)|(negative))","r",-1