Figure 2From: Aldehyde dehydrogenase 1 expression in primary and metastatic renal cell carcinoma: an immunohistochemistry studyKaplan-Meier progression-free survival analysis of patients with primary tumors (a) Cytoplasmic staining. Red curve is H score above mean, blue curve is H score below mean; (b) Membrane staining. Red curve is H score above mean, blue curve is H score below mean.Back to article page