Malignant individual tumor fluid Benign individual tumor fluid Sample mg/mL Sample mg/mL M1 59.9 B1 21.1 M2 62.6 B2 53.9 M3 33.9 B3 66.4 M4 56.8 B4 73.9 M5 64.3 B5 1.3* M6 40 B6 35.4 M7 74.7 B7 1.3* M8 109.3 B8 104.5 M9 44 B9 51.3 M10 44.8 B10 7*   Average=59.03   Average=41.61

Table 1: Protein quantification. Total protein quantification of malignant and benign individual tumor fluid samples was performed by the Bradford method (*): indicates samples with smaller amounts of protein.