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Table 1 Complications and the corresponding diagnostic criteria

From: Impact of postoperative major complications on long-term survival after radical resection of gastric cancer

Complication Diagnostic notes
Anastomotic leakage Leakage confirmed by angiography or bowel content seen in drainage
Anastomotic bleeding Continuous blood content seen in gastric tube and continuous decreasing hemoglobin level, within 24 h after surgery
Abdominal bleeding Continuous blood content seen in drainage and continuous decreasing hemoglobin level, within 24 h after surgery
Surgical site infection Wound abscess with clinical symptoms
Bowel obstruction Clinical symptoms with radiographic confirmation
Abdominal effusion Continuous high abdominal drainage output
Pancreatitis Drain output of any measurable volume of fluid on or after postoperative day 3 with an amylase content greater than 3 times the serum amylase activity
Bowel preformation Intraoperative or radiographic confirmation
Pneumonia Clinical symptoms with radiographic confirmation