Sinus Cancer Cancer Spread Into Sinus Area?

Cancer Spread into Sinus Area? - sinus cancer

My father was diagnosed with prostate cancer that has spread to their areas of bone diagnosed. However, cancer is slowly but surely to other areas of the body. (We know the family) not to (my father know) that a point of cancer in his sinus area. What are your chances of living longer? My father is 71 years. All major organs are in good shape. Doctors try a way to find in his area seem to have reached no conclusion, however, in the form of radiation in a dangerous area of the body. What are your thoughts?