The risk of developing liver cancer (or bile duct cancer) in former Thorotrast patients has been measured to be well above 100 times the risk of the rest of the population.
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The Danish director Nils Malmros's movie, Facing the Truth (original Danish title At Kende Sandheden) from 2002, portrays the dilemma that faced Malmros's father, Richard Malmros, when treating his patients in the 1940s.