Please, please talk with your doctor before you take any doses of asprin in any amounts before or during treatments.
Oncol Rep. 2013 May;29(5):1907-13. doi: 10.3892/or.2013.2339. Epub 2013 Mar 11.
Impact of acetylsalicylic acid on tumor angiogenesis and lymphangiogenesis through inhibition of VEGF signaling in a murine sarcoma model.
http://www.ncbi.nlm.nih.gov/pubmed/23483185