Single-port surgery using a surgical glove port reduces postoperative pain compared with conventional LC.

Patients with PIVKA-II ≥ 150 mAU/mL and positive L3-AFP on preoperative examination are at high risk for MVI.

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BackgroundHepatectomy is recommended as the most effective therapy for liver metastasis from colorectal cancer (CRCLM). It is crucial to elucidate the prognostic clinicopathological factors.MethodsEighty-three patients undergoing initial hepatectomy for CRCLM were retrospectively analyzed with respect to characteristics of primary colorectal and metastatic hepatic tumors, operation details and prognosis.ResultsThe overall 5-year survival rate after initial hepatectomy for CRCLM was 57.5%, and the median survival time was 25 months. Univariate analysis clarified that the significant prognostic factors for poor survival were depth of primary colorectal cancer (≥ serosal invasion), hepatic resection margin (< 5 mm), presence of portal vein invasion of CRCLM, and the presence of intra- and extrahepatic recurrence. Multivariate analysis indicated the presence of intra- and extrahepatic recurrence as independent predictive factors for poor prognosis. Risk factors for intrahepatic recurrence were resection margin (< 5 mm) of CRCLM, while no risk factors for extrahepatic recurrence were noted. In the subgroup with synchronous CRCLM, the combination of surgery and adjuvant chemotherapy controlled intrahepatic recurrence and improved the prognosis significantly.ConclusionsOptimal surgical strategies in conjunction with effective chemotherapeutic regimens need to be established in patients with risk factors for recurrence and poor outcomes as listed above.

This surgical-glove port is easy to install and is made from conventional, commonly used surgical equipment, making it unnecessary to purchase any expensive new devices. This surgical-glove port technique is a promising method to introduce SPS, because developing or purchasing new devices is unnecessary. Our experience demonstrates the efficacy, appropriateness, and cost-effectiveness of this simple port technique.

In CRCLM, we believe that nonanatomic hepatectomy with narrow margin is indicated, and optimal treatment would include functional preservation of as much of the remnant liver as possible.

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The advantages of laparoscopy appeared to be enhanced by this approach: patients had minor postoperative pain and minimal scarring. This stepwise experience in the cholecystectomy procedure is an important first step in the development of methods and devices to enable the evaluation of potential incisionless NOTES surgery. Additional research and comparison studies are needed for further improvement in order to provide NOTES procedures to a wider range of patients.