| Summary: | Abstract Background Transarterial chemoembolization (TACE) is the recommended treatment in intermediate stage of hepatocellular carcinoma (HCC). Many indices are used to predict the outcome of the TACE. The location of the HCC has not been enough studied as a prognostic variable. Results We evaluated 149 HCC nodules (111 patients) and analyzed the association between the response to TACE and the nodule location. There was a significant difference between the complete response (CR) and the non-CR group in the location of the HCC regarding its segment and the response to TACE with the anterior segment lesions achieving higher rates of complete response (CR) (P .03), and the distance between the tumor and the liver capsule with the subcapsular lesions showing higher rate of non-CR (P .02). However, there was no significant difference between the CR and the non-CR groups regarding the location between the right and the left lobes (P .48) and the central versus peripheral lesions (P .41). Conclusions The location of the HCC can improve the prediction of the tumor response to TACE. Anterior segment tumors showed a higher rate of complete response and subcapsular lesions showed a higher rate of recurrence after TACE.
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