Avastin is a powerful drug and can keep the cancer in control for a long time. Has radiation been discussed. Like SBRT or Proton?
Go to "Lets test now" as a source to exaplain the mutation testing ( its for LC but the concepts are the same) which will be a big plus for him.. They can now test for 220 mutations and then see what drugs or clinical trilas could match up with the mutations.
I am not sure you can get his platelets up with food alone..There are drugs like Nulasta and others. Has the Dr's discussed this with you? It will make him feel so much better.