Any suggestions for dog foods high in omega 3’s and protein and low in carbohydrates? 4 year old Maltese just diagnosed with Cancer. Lump on chest found 12 days ago, checked 10 days ago and again today. It more than doubled in size within the 10 days. Surgery on Tuesday to remove the tumor. Vet predicts an agressive cancerous tumor so want to do whatever I can to give my pup the best chance of fighting this.