Assertion: ultrasound | /r/SimilarTo | flashlight
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Source sentences:
text: Ultrasound is like a flashlight that allows us to see high detail over a small area of tissue,” Dr. Forney says.
text: Since ultrasound is like a flashlight, whereas MRI is like a flood light, there are times when ultrasound may not be able to make the diagnosis or may show findings that are indeterminate and need further testing,” he adds.