Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Background/aims: Primary colorectal signet-ring cell carcinoma (SRC) is a rare type of mucin-containing adenocarcinoma and little information exists about its clinicopathological features.
Methods: The clinicopathological features of 27 patients with primary colorectal SRC were compared with non-signet-ring cell mucinous carcinoma (MC) and non-mucinous adenocarcinoma (NMC). To analyze survival and recurrence, we used matched control groups.
Results: The mean age of patients in SRC was significantly younger than that of NMC (p = 0.003). The ratio of metastatic lymph nodes to harvested lymph nodes was also significantly higher in SRC (48.5 +/- 30.6) than in either MC (29.8 +/- 26.3; p = 0.009) or NMC (22.0 +/- 21.6; p = 0.003). In stage II and III, SRC was found to be associated with a worse cancer-specific survival and a higher systemic recurrence rates than either NMC or MC.
Conclusions: Primary colorectal SRC has distinctive clinicopathological features and is associated with a poorer prognosis than the other histological subtypes.
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