Abstract:
BACKGROUND:Survival estimates following surgical resection of gastric adenocarcinoma are traditionally reported as survival from the date of surgery. Conditional survival (CS) estimates, however, may be more clinically relevant by accounting for time already survived. We assessed CS following surgical resection for gastric adenocarcinoma. METHODS:We analyzed 807 patients who underwent resection for gastric adenocarcinoma from 2000 to 2012 at seven participating institutions in the U.S. Gastric Cancer Collaborative. Cox proportional hazards models were used to evaluate factors associated with overall survival. Three-year CS estimates at "x" year after surgery were calculated as follows: CS3 = S(x+3)/S(x). RESULTS:Overall 1-, 3-, and 5-year overall survival rates after gastric resection were 42, 34, and 30 %, respectively. Using CS estimates, the probability of surviving an additional 3 years given that the patient had survived at 1, 3, and 5 years were 56, 71, and 82 %, respectively. Patients with higher risk at baseline (i.e., stage III or IV disease, lymphovascular invasion) demonstrated the greatest increase in CS over time. CONCLUSIONS:Survival estimates following surgical resection of gastric adenocarcinoma is dynamic; the probability of survival increases with time already survived. Patients with worse prognostic features at the time of surgery had the greatest increases in CS over time. Conditional survival estimates provide important information about the changing probability of survival over time and should be used among patients with resected gastric adenocarcinoma to guide subsequent follow-up strategies.
journal_name
Ann Surg Oncoljournal_title
Annals of surgical oncologyauthors
Kim Y,Ejaz A,Spolverato G,Squires MH,Poultsides G,Fields RC,Bloomston M,Weber SM,Votanopoulos K,Acher AW,Jin LX,Hawkins WG,Schmidt C,Kooby D,Worhunsky D,Saunders N,Cho CS,Levine EA,Maithel SK,Pawlik TMdoi
10.1245/s10434-014-4116-5subject
Has Abstractpub_date
2015-02-01 00:00:00pages
557-64issue
2eissn
1068-9265issn
1534-4681journal_volume
22pub_type
杂志文章abstract:BACKGROUND:Pleomorphic lobular carcinoma in situ (PLCIS) is an unusual variant of LCIS for which optimal management remains unclear. METHODS:We conducted a 15-year (2000-2014) retrospective chart review of the radiologic, pathologic, clinical management, and recurrence rates of patients with PLCIS on diagnostic biopsy...
journal_title:Annals of surgical oncology
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journal_title:Annals of surgical oncology
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更新日期:2013-01-01 00:00:00
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journal_title:Annals of surgical oncology
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