1. 
   Lipiodol
   A form of poppy seed oil that contains iodine. Lipiodol is given by injection and builds up in the blood and lymph vessels in tumors. It is used for imaging (taking pictures) of the salivary glands and the lymph system. It is also being studied in the imaging of other organs such as the liver, lung,...
   Found op http://www.cancer.gov/dictionary?expand=L
   
   

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