What Doctors Don't Tell You* Lung: PET scans are just as accurate as biopsies, with no significant health risks (Appl Radiol, 2003; 32: 9-17).
* Breast: MRI has variable accuracy (60-100 per cent)
The routine medical test for breast cancer is mammography, a procedure which involves squeezing the breast between two plates and taking an X-ray picture.
