Medical Findings During the last 4 years, 95 percent of the exposed population from Rongelap, 98 percent of t persons not residing in the Marshall Islands are seen by a physician in their locality. After 37 years, there is little difference between the longevity curves of the Rongelap group, the and the unexposed cohort population. Each of the deaths (4 exposed and 10 nonexposed) that ha during the report period is discussed later in the report. The Marshallese population has a high igcidence of blood of the exposed population. This depression appears to be of no clinical significance hypofunction, either clinical or biochemical, has been documented as a consequenceofradiation e During this reporting period, a thyroid nodule was identified in an individual who was one of those Who wasin utero at the time of the exposure. Upon pathologic review, the nodule was diagnosed as occult papillary carcinoma.