Supplemental Tables 1-4 are included in this file: Supplemental Table 1. Calculation of combination indexes to evaluate synergy. Supplemental Table 2. Genes tested with OHSU Knight Diagnostic Labs Supplemental Table 3. Patient characteristics studied by immunohistochemistry Supplemental Table 4. Resistance mediated by FGF2 or FL does not affect response to SYK inhibitor PRT062607.