Abdomen and pelvis CT scans contribute most to cancer risk (37% of projected cancers), with lung cancer being the most common ...

Radiation from CT scans may cause as many as 5% of cancers diagnosed each year in the United States, research suggests.

They were 10 times more likely to get cancer compared to others in the study. The researchers said some CT scans are unlikely to help patients and are overused, such as those for upper respiratory ...

A new analysis estimates that more than 100,000 cancer cases per year could be caused by radiation from CT scans. In some cases, the information provided by a CT scan could also be obtained from ...

NPR's Ayesha Rascoe asks Dr. Rebecca Smith-Bindman about her research indicating CT scans, which emit radiation, will cause some 100,000 cases of cancer annually.

X-rays and CT scans have revolutionized medicine. Doctors can look inside the body and diagnose diseases even before people feel ill. But medical imaging that uses radiation comes at a cost.