#target_phrases
embolus 
embolism 
emboli
clot
clots
thromboemboli
thromboembolism
thromboembolic
filling defect
pe
thrombus
thrombi

#skip_phrases
evaluate 
evaluation 
history 
indication 
technique 
comparison 
assessment 
nondiagnostic 
uninterpretable 
artifact 
artifactual 
repeat

#absolute_negative_assertions
no evidence of acute pulmonary embolus
no evidence of acute pulmonary emboli
no evidence of pulmonary embolus
no evidence of pulmonary emboli
no acute pulmonary embolus
no acute pulmonary emboli
no pulmonary embolus
no pulmonary emboli
No filling defects
No acute filling defects

#absolute_positive_assertions

#start_phrase
Impression: