"image acquisition protocol(s)"
"irAE(s): Immune-related adverse event(s)"
"irAE(s): Immune-related adverse event(s)"
"A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - misc"
"IASLC: International Association for the Study of Lung Cancer"
"IBMRS: International Board of Magnetic Resonance Safety (previously, American Board of Magnetic Resonance Safety (ABMRS))"
"ICCA: Islet cell cytoplasmic antibodies"
"ICHD-3: International Classification of Headache Disorders 3rd edition"
"ICRU: International Commission on Radiation Units and Measurements"
"ICUS: International Contrast Ultrasound Society"
"IDUG: Internal Dosimetry Users Group (UK)"
"IEC: International Electrotechnical Commission"
"IEO: European Institute of Oncology"
"IFUS: International Focused Ultrasound Society"
"IGF-1: Insulin-like Growth Factor 1"
"IGZO: Indium Gallium Zinc Oxide"
"ILAE: International League Against Epilepsy"
"ILE: Ivor-Lewis oesophagectomy"
"ILO: Ivor-Lewis oesophagectomy"
"imRECIST: Immune -modified Response Evaluation Criteria in Solid tumours"
"INN: International Nonproprietary Name"
"Int-CA: Intermediate cell carcinoma"
"iRECIST: Immune Response Evaluation Criteria in Solid Tumours"
"irRECIST: Imune-related Response Evaluation Criteria in Solid Tumours"
"IR(ME)R: Ionising Radiation (Medical Exposure) Regulations (UK)"
"IRR: Ionising Radiation Regulations (UK)"
"ISFRI: International Society of Forensic Radiology and Imaging"
"ISMRM: International Society for Magnetic Resonance in Medicine"
"ISMRT: International Society for MR Radiographers & Technologists"
"ISO: International Standards Organisation"
"ISTAART: Alzheimer's Association International Society to Advance Alzheimer's Research and Treatment"
"ISUP: International Society of Urological Pathology"
"ITM: Isotope Technolgies Munich"
"International Classification of Diseases"
"Ile: isoleucine (three letter amino acid code)"
"Insp: inspiratory"
"Int-CA: Intermediate cell carcinoma"
"International Osteoporosis Foundation"
"IDUG: Internal Dosimetry Users Group (UK)"
"image exchange portal (UK)"
"IGRA: interferon gamma release assay (for TB)"
"IR(ME)R: Ionising Radiation (Medical Exposure) Regulations (UK)"
"IRR: Ionising Radiation Regulations (UK)"
"IVF/ET: in vitro fertilisation and embryo transfer"
"IONM: intra-operative nerve monitoring"
"IUS: intestinal ultrasound (in Crohn's disease)"