and much depends on the operator and interpretor
of the the images (as well as
the machines that create them), be it ultrasound, CT-
Scan, or
MRI. The frequency and method that's best for the patient really depends on the individual circumstances. In countries outside the US where HCC mortality is of much higher incidence, aggressive surveillance (every 3 months via CT-Scan or MRI) has been directly correlated with longer survival rates.