✔ 最佳答案
Ask whether he can have these small tumors 'ablated' . . some people are candidates for this type of treatment depending on how many he has, size, and whether they can be reached. Basically they will go in and 'zap' the tumors and make them disintegrate. Not all patients are candidates for this treatment but it is worth asking about.
There is also a 'chemo perfusion' done around the liver . . the University of Pittsburg cancer center is known for treating liver cancers and they offer this.