Figure 1. Radiotherapy modalities for HCC management. 99mTc-MAA: 99m technetium-labeled macroaggregated albumin; CT: Computerized tomography; CP: Child Pugh; GIT: Gastrointestinal tract; HCC: Hepatocellular carcinoma; MRI: Magnetic resonance imaging; SPECT/CT: Single-photon emission CT; EBRT: External beam radiation therapy; SIRT: Selective internal radiation therapy; 3DCRT: Three-dimensional conformal radiotherapy; IMRT: Intensity-modulated radiotherapy.