Answer:
CAT
Step-by-step 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.
~Learn with Lenvy~