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Bar graphs representing the percent risk for brachial plexopathy according to a cutoff median dose of 69 Gy to the entire brachial plexus (panel A) and a 75 Gy dose cutoff to 2 cm3 of the brachial plexus (panel B). At median brachial plexus dose > 69 Gy and 2 cm3dose >75 Gy, 60% and 43% experienced toxicity respectively.
