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The current study determines the prognostic factors after hepatectomy for hepatocellular carcinomas. The 295 patients who underwent hepatectomy from 1973 through 1987 were included for a univariate and a Cox multivariate analysis. The favoring conditions were determined as follows. The essential requirements are (1) the absence of tumor thrombi; (2) no intrahepatic metastasis, but even when present, it should be close to the main tumor and removed with a massive resection; and (3) retention rate of indocyanine green dye (ICG) at 15 minutes should be within 14 +/- 4.2% (M +/- SD) to allow that resection. The desired requirement is that the tumor size should preferably be less than 5 cm; a wider free margin from tumors (greater than or equal to 1 cm) is recommended, but not determining factor. The eligible patients, having no thrombi, no intrahepatic metastasis, a tumor size of 5 cm or less, negative surgical margin (greater than or equal to 1 cm), had achieved a 5-year survival of 78%. In conclusion, resection therapy is the first option for patients with those requirements.
Yamanaka et al. (Thu,) studied this question.