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Fig. 2 | BMC Cancer

Fig. 2

From: Early increase in circulating carbonic anhydrase IX during neoadjuvant treatment predicts favourable outcome in locally advanced rectal cancer

Fig. 2

Serum carbonic anhydrase IX (CAIX) levels and progression-free survival in locally advanced rectal cancer. Progression-free survival was analysed (by the Kaplan-Meier method) for the population of 66 study patients with paired serum sample measurements of CAIX following neoadjuvant induction chemotherapy versus baseline (a variable termed ΔNACT), divided into two groups above (solid line) and below (dashed line) an estimated optimum cut-off ΔNACT value of 224 pg/ml. Difference between the two groups was significant (p < 0.01)

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