Nowadays it's possible to achieve real time control of surgical resections, like in neuro and orthopedic surgery. In liver surgery this new technology is still experimental. The question is if we will gain clinical application of such a technology and more important if we really need it.
Yes I think we need it, because liver anatomy is not as simple as it is on graphics about liver anatomy especially segment anatomy. This is shown in anatomically reconstructions as the commercially available MEVIS program in Germany. But we all have the problem that different diagnostic modalities show different metastases in e.g colorectal cancer surgery and we cannot use these different modalities during surgery. So I think in critical cases (small remnant of liver, perhaps to small) these techniques will help us in planing and conducting liver surgery