Fig. 3From: Prognostic value of serum CYFRA 21-1 1 in patients with anal canal squamous cell carcinoma treated with radio(chemo)therapySurvival according to elevated post-treatment serum CYFRA 21.1 levels. Green line indicates patients with elevated post-treatment serum CYFRA 21.1. Blue line indicates patients with normal post-treatment serum CYFRA 21.1 (n ≤ 1 ng/ml). Bars indicate censored individualsBack to article page