On fish oil omega threes and sixes these may be of interest.
http://www.her2support.org/vbulletin...ght=greek+diet
http://www.her2support.org/vbulletin...ght=greek+diet
and more generally
http://www.her2support.org/vbulletin...st+cancer+diet
And as to particular treatments search here by entering your treatment term and DHA, or omega three, or docosahexaenoic (the name of DHA)
A number have been trialled with DHA and do show synergies. I posted a trial looking at the subject generally but at this moment do not recall what it was titled or which thread I filed it under.
http://www.ncbi.nlm.nih.gov/
and on google scholar
Finally please discuss any thoughts you have with your onc
RB