Abstract:
PURPOSE:The aim of this study was to determine which clinicopathological factors influenced the long-term survival after potentially curative resection of colorectal cancer patients with a normal preoperative serum level of carcinoembryonic antigen (CEA). METHODS:A total of 1,732 patients who underwent curative surgery for primary nonmetastatic colorectal cancers from 1997 to 2009 were analyzed. Of these patients, 1,128 (65.1 %) had normal level of preoperative CEA (<5 ng/mL). The predicting factors for survival were analyzed. RESULTS:When the serum CEA cutoff value was set at 2.4 ng/mL (median value), the high CEA groups displayed a higher percentage of older patients, males, large-diameter tumors, advanced T and N categories, and positive perineural invasion, compared to the low CEA groups. Multivariate analysis revealed that age, T category, N category, number of lymph nodes retrieved, operative method, lymphovascular invasion, perineural invasion, postoperative chemotherapy, and preoperative serum CEA level ≥ 2.4 ng/mL were independent predictors for 5-year overall survival, while tumor location, tumor size, T category, N category, lymphovascular invasion, and perineural invasion were independent predictors for 5-year disease-free survival. CONCLUSIONS:Even if patients with colorectal cancer have a normal preoperative CEA before surgery, CEA may be useful for prognostic stratification using 2.4 ng/mL as the cutoff.
journal_name
J Cancer Res Clin Oncoljournal_title
Journal of cancer research and clinical oncologyauthors
Huh JW,Kim CH,Lim SW,Kim HR,Kim YJdoi
10.1007/s00432-013-1459-4subject
Has Abstractpub_date
2013-09-01 00:00:00pages
1449-55issue
9eissn
0171-5216issn
1432-1335journal_volume
139pub_type
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journal_title:Journal of cancer research and clinical oncology
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