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A stickier situation exists in regard to the use of other tumor seeking agents for nonthyroid cancer imaging. Nuclear medicine physicianshavenoted that increasing the quantity ofgallium ad ministered to a patient appearsto improve the chancesof imaging a tumor. As a consequence, the dose of Ga-67 administered to patients has increased in certain laboratories. This practice ob viously has its problems, and risk against benefit questionsarise that will eventually have to be addressed