{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T04:35:23Z","timestamp":1784867723464,"version":"3.55.0"},"reference-count":26,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2022,5,1]],"date-time":"2022-05-01T00:00:00Z","timestamp":1651363200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of Laparoendoscopic &amp; Advanced Surgical Techniques"],"published-print":{"date-parts":[[2022,5,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Although a minimally invasive extended cholecystectomy (MIEC) for T2 gallbladder cancer (T2 GBC) has been performed in many experienced centers, no oncologic comparison with open extended cholecystectomy (OEC) has yet been reported.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>\n                      T2 GBC patients who underwent MIEC (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200960) or OEC (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u2009135) were enrolled. We used propensity score matching (PSM) using pre- and intraoperative variables. Short- and long-term outcomes were then compared before and after PSM.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      Before PSM, OEC patients more frequently showed completion of surgery after a simple cholecystectomy (standardized mean difference [SMD]\u2009=\u2009\u22120.551), and lymph node enlargement on preoperative computed tomography (SMD\u2009=\u2009\u22120.471). PSM was used to select 56 patients from each of the 2 patient groups. MIEC patients showed comparable complication rate (7.1% versus 12.5%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.365) and shorter hospital stay (5.7 days versus 9.8 days,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009&lt;\u2009.001). The median follow-up period was 26.2 months, and 5-year overall survival (OS) rate (96.8% versus 91.1%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.464) and 5-year recurrence free survival (RFS) (54.7% versus 44.4%,\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      \u2009=\u2009.580) outcomes were still comparable between MIEC and OEC groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>MIEC have advantages such as early recovery and comparable short-term outcomes compared with OEC. MIEC showed comparable OS and RFS outcomes compared with OEC. MIEC is a safe option without oncological compromise for T2 GBC.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/lap.2021.0417","type":"journal-article","created":{"date-parts":[[2021,8,12]],"date-time":"2021-08-12T10:28:49Z","timestamp":1628764129000},"page":"538-544","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Clinical Outcomes Between a Minimally Invasive and Open Extended Cholecystectomy for T2 Gallbladder Cancer: A Propensity Score Matching Analysis"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8119-6943","authenticated-orcid":false,"given":"Woohyung","family":"Lee","sequence":"first","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyu Min","family":"Kim","sequence":"additional","affiliation":[{"name":"University of Ulsan College of Medicine, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bong Jun","family":"Kwak","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yejong","family":"Park","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eunsung","family":"Jun","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ki Byung","family":"Song","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dae Wook","family":"Hwang","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Song Cheol","family":"Kim","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae Hoon","family":"Lee","sequence":"additional","affiliation":[{"name":"Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,5,12]]},"reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0000000000002385"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000003675"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/jhbp.521"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1159\/000486207"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamcollsurg.2015.07.010"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-012-2489-8"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1111\/hpb.12406"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.suronc.2019.05.007"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.surg.2017.05.004"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.1002\/bjs.11379"},{"key":"e_1_3_4_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.surg.2016.08.007"},{"key":"e_1_3_4_13_2","doi-asserted-by":"publisher","DOI":"10.1097\/MD.0000000000020039"},{"key":"e_1_3_4_14_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-020-08112-3"},{"key":"e_1_3_4_15_2","doi-asserted-by":"publisher","DOI":"10.1002\/jso.20536"},{"key":"e_1_3_4_16_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-015-4495-0"},{"key":"e_1_3_4_17_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00268-004-7289-4"},{"key":"e_1_3_4_18_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00534-009-0044-3"},{"key":"e_1_3_4_19_2","doi-asserted-by":"publisher","DOI":"10.1089\/lap.2019.0227"},{"key":"e_1_3_4_20_2","doi-asserted-by":"publisher","DOI":"10.1097\/SLA.0b013e31822238d8"},{"key":"e_1_3_4_21_2","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-016-5243-y"},{"key":"e_1_3_4_22_2","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-017-5773-y"},{"key":"e_1_3_4_23_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-014-3932-9"},{"key":"e_1_3_4_24_2","doi-asserted-by":"publisher","DOI":"10.1245\/s10434-018-6811-0"},{"key":"e_1_3_4_25_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.hpb.2017.10.015"},{"key":"e_1_3_4_26_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00464-019-07075-4"},{"key":"e_1_3_4_27_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.soc.2018.11.001"}],"container-title":["Journal 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