ðɪ ɐmˈɛɹɪkən kˈɑːlɪdʒ ʌv ɹˌeɪdɪˈɑːlədʒi ˌeɪsˌiːˈɑːɹ, fˈaʊndᵻd ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː, ɪz ɐ pɹəfˈɛʃənəl mˈɛdɪkəl səsˈaɪəɾi ɹˌɛpɹᵻzˈɛntɪŋ nˌɪɹli fˈoːɹɾi,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ dˌaɪəɡnˈɑːstɪk ɹˌeɪdɪˈɑːlədʒˌɪsts, ɹˌeɪdɪˈeɪʃən ɑːŋkˈɑːlədʒˌɪsts, ˌɪntɚvˈɛnʃənəl ɹˌeɪdɪˈɑːlədʒˌɪsts, nˈuːklɪɹ mˈɛdəsən fɪzˈɪʃənz ænd mˈɛdɪkəl fˈɪzɪsˌɪsts.
The American College of Radiology (ACR), founded in 1923, is a professional medical society representing nearly 40,000 diagnostic radiologists, radiation oncologists, interventional radiologists, nuclear medicine physicians and medical physicists.