Emphasis on change in undergraduate curriculum has resulted in a general awareness of the modifications. Within the specialty of radiology, less generally recognized nontraditional concepts are being developed. The requirements established by the American Board of Radiology in 1934 have in part determined the distribution of time for resident training. The requirement, since 1957, for certification in Diagnostic Radiology or Therapeutic Radiology has further directed residency programs. The introduction of a four-year program in general radiology or an optional three-year training program in either diagnosis or therapy enabled residents to determine the viability of any of these programs by selection. The residents are in a position therefore to affect future training programs of a given institution. In 1969 the American Association of Academic Chief Residents of Radiology was created. Its first annual symposium in Berkeley, Calif., permitted an interchange of opinions and experience among advanced reside...