Complete response to local therapy for advanced hepatocellular carcinoma with lung metastasis: a case report.

The concept of oligometastasis is widely accepted for various types of solid tumors; accordingly, better outcomes can be anticipated with aggressive local interventions. The treatment of advanced hepatocellular carcinoma (HCC) with extrahepatic metastasis is systemic therapy. However, treatment responses to systemic therapy are poor. Recently, a small number of metastatic cancers (oligometastasis) have been controlled by local therapy rather than systemic therapy. Our study reports a case of a 66-year-old male patient with advanced HCC with lung metastasis, which was treated with local therapy. There were less than four metastases in the lungs, which were treated with wedge resection, radiofrequency, and radiation therapy. He repeatedly underwent local therapy for lung oligometastasis and locoregional therapy for intrahepatic HCC rather than systemic therapy; control by local therapy was possible as his liver function was preserved with Child-Turcotte-Pugh class A.