Answer:
CAT
Explanation:
CAT ⇒ Computerized axial tomography scan
HAV ⇒ Hepatitis A virus
HBV ⇒ Hepatitis B virus
NAFLD ⇒ Nonalcoholic fatty liver disease
Thus, Cat is the answer.
Cat - A procedure that uses a computer linked to an x-ray machine to make a series of detailed pictures of areas inside the body.
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