Fig. 7From: Integrated weighted gene coexpression network analysis identifies Frizzled 2 (FZD2) as a key gene in invasive malignant pleomorphic adenomaIdentification of FZD2 as the hub gene. a The bubble plot displaying enriched KEGG pathways in the green module (p value  < 0.05, gene number  ≥ 3). b The PPI network of the green module. FZD2 protein staining was higher in low-grade IMPA (c) and lower in high-grade IMPA (d). e Quantification of FZD2 positive areas in low-grade and high-grade IMPAsBack to article page