CONTENTS Introduction se ee ee we ee ee ee ee eh hhh hhh lhl hl hl lll lel kt eee kl he Exposure Groups 0.0... 0. tenn ne eee eee e nent eeneee The Marshall Islands Medical Program ........... 2.0000 c eee eee eee eee nee Policies ....... 0... ccc ee ne eee eee eee e beeen ne nen eennenas Procedures 2 2 8 eo ee ee ee lk lk lle lll ee ke te el ll hl ll hl hl ll lH ll hl hl hl Medical Findings ....... 0... ccc eee nee eee e ene eee neens Patient Participation ...... 0.0... ee eee eee ee ee eee e eee eeel Overall Survival 6.0.0.0... cent teen eee ened Causes of Recent Mortality 2.0.0.0... ccc ee cee eect teen ened Rongelap 2.0... te ete eter rete eed Utirik 2 ene eee e et teeta ned Comparison population .......... 0.00. eee eee eee Laboratory Findings ... 0.0... 0... ct tte eee e eens Hypothyroidism ............. Le eee ee eee eee eee eee eee e eee Other laboratory results 2.0... nn ee een eee Neoplasms 2... 1. te te tenn ene nee eee eee eet eens Skin cancers 2... ee ee ee eee rete teers Thyroid nodules 2.2... eee eee eee Thyroid Surgery Findings 2... 0... cee eee ee tee eee e cence anes Introduction 2... ec ee ee te ttt ett tte een eet ete eens Radiation risks to the thyroid Histological definitions ...... 0.0... cee eee eee Thyroid nodules in the Comparison group .......... 2.002. eee eee Factors influencing data interpretation ..........20-.. 000000 eee eee Issues that can be addressed without invoking data from the Comparison group ee em we ee ee el Ce he ee el ee ee ee ee kh ee References 1.2.0... 00. te ee ee eee ne ee nee eee ee eee eee eee eee eeenas Appendices .............. Lee nee een e nent beeen teen ene e eens ey oe ew ew we ee me ee ey) 2 ee ee bp ee ee Pe ee ee bh + +e eo oe we we es er