Figure 1: Percentage of tumor and stromal cells expressing VEGF-A. A: Invasive carcinoma (Group 3): tumor cells: 61,8%, stromal cells: 75,7%; B: CIN 3 (Group 1): tumor cells: 70,2%, stromal cells: 53,9%; C: Invasive carcinoma compartment (Group 2): tumor cells: 91,3%, stromal cells: 96,7%; D: CIN 3 compartment (Group 2): tumor cells: 65,9%, stromal cells: 60,9%.