| http://www.w3.org/ns/prov#value | - When macroscopic thyroid cancer is clearly documented to have spread to distant sites, such as the lung, and is also clearly documented to NOT take up radioiodine by a properly prepared I-131 whole body scan (making sure that CT contrast and other interfering iodine agents were not involved), then there is NO reason to proceed with further radioactive iodine therapy.
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