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Local primary tumor response and metastases rate. Primary tumor response was assessed by comparing the largest diameter of the lung tumor on baseline computerized tomography (CT) scans with that on CT scans 4–6 weeks after chemoradiation (A). Pathological response was determined as percent viable residual tumor at time of surgery (B). Metastases rate was determined by the incidence of distant metastatic disease (C). BB, beta-blocker.
