AP
Anteroposterior
BX
Biopsy
SPECT-single-photon LAT
Lateral computed
LLQ
Left lower quadrant
LUQ
Left upper quadrant
PA
Posteroanterior
RLQ
Right lower quadrant
RUQ
Right upper quadrant
CT
Computerized tomography
CXR
Chest x-ray
MRI
Magnetic rsonance imaging
PET
Positron emission tomography
US
Ultrasound