Tomosynthesis requires (P < .01) a smaller dose than CT and the samea (P < .01) minimal relative radiation level (< 0.1 mSv) as 2-view CXR.ACR, American College of Radiology; CT, computed tomography; CXR, chest x-ray; DTS, digital tomosynthesis; ROC, receiver operating characteristic; VolumeRAD, GE VolumeRAD tomosynthesis.aACR Appropriateness Criteria® Radiation Dose Assessment Introduction, 2012.Reproduced with permission from JM Sabol, PhD.