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2. The relationship between preoperative CA 19-9 and CEA levels and histopathology of tumor in colorectal cancer
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3. Lenvatinib, sintilimab combined interventional treatment vs bevacizumab, sintilimab combined interventional treatment for intermediate-advanced unresectable hepatocellular carcinoma
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4. Efficacy and Safety of Preoperative Radiotherapy Versus Chemoradiotherapy in Advanced Rectal Cancer: A Meta-analysis of Randomized Controlled Trials
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5. Significance of Three Serum Protein Factors in Early Diagnosis of Colorectal Carcinoma
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