Most metastatic deposits are solid and mainly hypoechoic relative to the background liver (Fig. 4). Many will exhibit a hypoechoic "halo" (Fig. 5). There is some controversy as to whether the halo ...

In patients with ERBB2-positive metastatic breast cancer (ERBB2+ MBC) and brain metastasis, more than half of deaths were due to central nervous system (CNS)–related causes; however, patients ...