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Figure 2. A patient with multifocal right-sided intrahepatic cholangiocarcinoma undergoing evaluation of lung shunt fraction prior to TARE. (A) Coronal CT images demonstrating multiple lesions in the right hepatic lobe consistent with patient’s known non-resectable intrahepatic cholangiocarcinoma; (B) Planar images performed in nuclear medicine following injection of ^99mTc-MAA via the right hepatic artery demonstrate minimal radiotracer uptake to the lungs, which implies a low risk for radiation pneumonitis with TARE. TARE: trans-arterial radioembolization.