Fig. 5From: Effects of let-7a microRNA and C–C chemokine receptor type 7 expression on cellular function and prognosis in esophageal squamous cell carcinomaRelationship between CCR7 and let-7a expression and the prognostic implication. A CCR7 and let-7a expression levels in ESCC patients. B Recurrence-free survival curve for ESCC patients in the low-CCR7, high-CCR7/high-let-7a, and high-CCR7/low-let-7a groups (p = 0.038)Back to article page