Intratumor heterogeneity related signature for clinical outcome and immunotherapy advantages in lung adenocarcinoma.

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Need identify headline numerical result for registered target main finding. Text says optimal predictive signature IRS Lasso + stepCox(both), highest average C-index 0.80. Need value 0.80 unit likely \"C-index\" (paper prints average C-index of 0.80). Evidence exact contiguous quote containing number, whole clause linking. Could quote: \"The optimal predictive signature for LUAD cases was the IRS developed using Lasso + stepCox(both) method, which had the highest average C-index of 0.80.\" Exact contiguous. parent_value 0.80, unit \"C-index\", target_result perhaps \"The IRS developed using Lasso + stepCox(both) had the highest average C-index of 0.80.\" number_stated true. Need headline number only perhaps unit. 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