Department of Geriatric Gastroenterology;
Shandong Provincial Hospital Affiliated to Shandong First Medical University;
Jinan 250021;
Shandong Province;
China;
Medical Records Room;
Yinan County People’s Hospital;
Yinan 276399;
Shandong Province;
China;
Department of Infectious Diseases;
Shandong Provincial Hospital Affiliated to Shandong First Medical University;
Jinan 250021;
Shandong Province;
China;
Department of Infectious Diseases and Liver Diseases;
Jinan Infectious Disease Hospital;
Shandong University School of Medicine;
Jinan 250021;
Shandong Province;
China;
Tubular adenocarcinoma; Colon; Neutrophil gelatinase-associated lipocalin; Matrix metalloproteinase-9; Biomarker;