Impact of IV Contrast Enhancement Phase on Target Definition for Hepatocellular Carcinoma(HCC) and Intrahepatic Cholangiocarcinoma(IHC): Observations from Patients Enrolled on a Prospective Phase II Trial

Conclusions Variability between GTVs on multiphasic CT scans could not be overcome with a 5-mm expansion of either the smallest GTV or the best-visualized GTV. Assessment of all available IV contrast phases is essential to accurately define the GTV.
Source: Practical Radiation Oncology - Category: Cancer & Oncology Source Type: research