Fig. 2From: Prognostic value of serum CYFRA 21-1 1 in patients with anal canal squamous cell carcinoma treated with radio(chemo)therapyReceiver operating characteristic curve for post-treatment serum CYFRA 21-1. Area under the curve = 0.74 [95% confidence interval: 0.61–0.86], p = 0.03Back to article page
