WNT2 and breast neoplasm: Boxplot representation of Wnt2 (A) (Student’s t test, P < 2.2 × 10− 16) and Fzd9 (Frizzled9) (B) (Student’s t test, P < 2.2 × 10− 16) in human breast tumors with low (IGF-1R z-score < − 1) versus high (IGF-1R z score > 1) IGF-1R expression.