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BACKGROUND/AIMS Radiofrequency ablation therapy (RFA) has become widely used against hepatocellular carcinoma (HCC), mainly because of its ease of use, lower level of invasiveness, and high level of effectiveness. To compare the efficacy and safety of RFA with surgery, we retrospectively investigated relevant patient clinical data. METHODOLOGY The(More)
A primary hepatic marginal zone B cell lymphoma of mucosa-associated lymphoid tissue (MALT) is very rare. We found a solitary mass 27 mm in size in the left lobe of the liver of a 58-year-old Japanese man with a history of hepatitis-C infection. Based on the results of imaging studies, the tumor was diagnosed as a hepatocellular carcinoma (HCC). The left(More)
The paper examines formation of free trade agreements (FTAs) as a network formation game. We build an n-country model with quasi-linear utility and a continuum of differentiated industrial goods. Countries can differ in the size of the industrial goods industry and the purchasing power. We show that countries with similar characteristics are more likely to(More)
We study a class of two-sector endogenous growth models in the presence of a positive external effect. The class of models exhibits global indeterminacy of equi-libria. The qualitative properties of a set of examples are analyzed by means of analytical and numerical methods. We also construct robust examples of both topological and ergodic chaos.
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PURPOSE Hepatocyte growth factor (HGF), a ligand of the c-met proto-oncogene, exhibits activating effects on human lung cancer both in vitro and in vivo. However, few studies have reported the correlations between concentration changes of blood HGF and postsurgical prognosis. METHODS We evaluated whether surgery-related blood HGF elevation has prognostic(More)
Bewley considers a dynamic general equilibrium model with heterogeneous consumers. Assuming that the future is sufficiently important, he shows that an equilibrium path converges to a limit which depends upon initial conditions. This study shows that the limit lies near the stationary state independent of initial conditions. This state is the economy's(More)
Cross-border holdings of nominal assets confer a new international dimension to monetary policy, for they imply that unanticipated changes in monetary policy redistribute wealth across countries. This study analyzes the response of the economy to unanticipated monetary shocks in a general equilibrium model of the world economy. The model yields formulas(More)
We treated 3 patients complicated with colon cancer without liver metastasis, who were admitted to our hospital because of a high fever and diagnosed with liver abscesses. In a general screening after performing percutaneous transhepatic abscess drainage, colon cancer was detected in each, though hepatobiliary diseases were not found. Hepatobiliary diseases(More)