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The Boston Globe

Nation

9/11 cancer study is inconclusive

CHICAGO — The most comprehensive study of potential World Trade Center-related cancers raises more questions than it answers and will not end a debate over whether the attacks were really a cause.

The study suggests possible links with prostate, thyroid, and a type of blood cancer among rescue and recovery workers exposed to toxic debris from the terrorist attacks. But there were few total cancers and even the study leaders say the results ‘‘should be interpreted with caution.’’

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