Quality assurance phantoms and training phantoms for use with ultrasound, fluoroscopy, X-Ray, mammography, CT, MRI and other medical imaging diagnostic apparatuses; quality assurance phantoms and training phantoms for use in stereotactic body radiation therapy, stereotactic radiosurgery, radiology, radiation therapy and other medical imaging; dosimetric phantoms for use in medical treatment planning, namely, for use in calculating and monitoring patient dosage for radiation therapy and medical imaging physics; calibration tools for ultrasound, CT, MRI and other medical imaging diagnostic apparatuses; medical specimen imaging and transport containers; medical training tools, namely, vascular access training phantom kits containing test phantoms, syringes, needles, surface conditioners and simulated blood; medical simulators, namely, simulators for bone mineral QCT analysis, blood mimicking fluid and water equivalent plastic calibration materials; medical markers, namely, mammography view markers; medical test tools, namely, mammography phototimer consistency testing slabs, mammographic test wedges, mammography screen film contact test tools, digital step wedge tissue equivalent test tools, patient penetrometer kits for testing fluoroscopic system output containing aluminum and lead plates, and CR (computed radiography) and DR (digital radiography) test tools; mammographic quality control packages containing mammographic accreditation phantoms, wipes, thermometers, scales, film contact test tools, sensitometers and densitometers; CT imaging quality assurance kits containing tissue-simulating inserts for CT dose phantoms