The whole paper is on the web for free.
It is well worth a skim just looking for Omega 3 and 6 comments, even if you have difficulty with some of the rest.
FIG 5 clearly cleverly and simply visually explains the Omega 3:6 imbalance
"The results of animal studies have demonstrated that the
consumption of omega-3 fatty acids can slow the growth of
cancer xenografts, increase the efficacy of chemotherapy and
reduce the side effects of the chemotherapy or of the cancer"
http://jn.nutrition.org/cgi/reprint/132/11/3508S.pdf
Omega-3 Fatty Acids to Augment Cancer Therapy1
W. Elaine Hardman2
Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA 70808