. When a mammogram is done, it can be read by a technician, checked by special software, and scanned by a computerized scanner. If the image is misread, who is responsible – the technician, the software publisher, and/or the hardware manufacturer? 2. The new digital imaging equipment is becoming more affordable so that more medical institutions can acquire it. Discuss the advantages and disadvantages of each method (CT scans, MRIs, SPECT, and PET scans). 3. Research the history of safety for radiological imaging. What were key discoveries that led to current safety protocols?