Figure 1.

Hepatocellular carcinoma supplied by the right internal mammary artery. (A) Transverse computed tomography following transcatheter arterial chemoembolization shows an absence of iodized oil retention (black arrow) and iodized oil retention (white arrow). (B) Hepatic artery arteriogram (white arrow) shows an absence of staining in the upper part of the tumor. (C) Right internal mammary arteriogram (black arrow) shows tumor staining. (D) Right internal mammary arteriogram with a microcatheter inserted in the pericardiophrenic artery shows tumor staining (black arrow).