Related by context. Frequent words. (Click for all words.) 60 body scanners 59 backscatter 57 scanners 55 X ray scanners 53 enhanced pat downs 52 x ray machines 50 x ray imaging 50 TSA 49 X ray machines 49 Advanced Imaging 49 millimeter wave 48 patdowns 48 Rapiscan 47 screeners 47 Scanners 47 CT colonography 47 conventional colonoscopy 47 radiation emitted 47 pat downs 46 baggage screeners 46 Administration TSA 45 ionizing radiation 45 magnetometers 45 x ray machine 45 Computed Tomography 45 computed tomography CT 45 iris scanning 44 Positron Emission Tomography PET 44 X ray beam 44 CAPPS II 44 airports 44 X ray machine 44 breast ultrasound 44 ionizing 44 TrueBeam 44 National Opt Out 44 overly intrusive 44 radiation exposure 44 sky marshals 43 radiation 43 imagers 43 cone beam 43 detectors 43 X ray 43 lasers 43 wanded 43 CT angiography 43 MRI scanners 43 TSA screener 42 intrusive 42 positron emission tomography PET 42 magnetometer 42 liquid explosives 42 X ray scanner 42 CT scanning 42 baggage screening 42 scanner 42 non invasive 41 invasive 41 Rapiscan Systems 41 Barry Steinhardt director 41 rescreened 41 PET scanners 41 underwear bomber 41 metal detectors 41 RFIDs 41 radiation detectors 41 ultrasound 41 x ray 41 ultrasound imaging 40 imaging 40 excimer laser 40 electron beams 40 irradiate 40 facial recognition 40 noninvasive 40 iris scan 40 scans 40 irradiation 40 fingerprint scans 40 computed tomography 40 CT scans 40 unnecessarily intrusive 40 CT scanners 40 DXA 40 muons 40 Ablation 40 Greg Soule 40 ultrasonic waves 40 TSA screeners 40 biopsied 40 fine needle aspiration 40 NIRS 40 breast lumps 40 positron emission tomography 39 breast MRI 39 screener 39 intensity modulated radiation 39 PET scanner 39 scanning 39 Sea Tac