Fig. 5From: HIF-1α expression in liver metastasis but not primary colorectal cancer is associated with prognosis of patients with colorectal liver metastasisKaplan–Meier curves according to the alteration of HIF-1α expression from primary CRC to liver metastasis in CRLM. a Overall survival curves according to the alteration of HIF-1α expression and b disease-free survival curves according to the alteration of HIF-1α expressionBack to article page