FISH positive status was observed in 30.8% of patients and was associated with a nonsignificant trend toward improved survival with gefitinib treatment (HR = 0.61; 95% CI, 0.36 to 1.04) [ 63 ].
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FISH positive status was observed in 30.8% of patients and was associated with a nonsignificant trend toward improved survival with gefitinib treatment (HR = 0.61; 95% CI, 0.36 to 1.04) [ 63 ].