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Diagnostic role of serum tumor markers for urachal carcinoma. (A) Difference analysis of serum tumor markers between urachal carcinoma and urothelial carcinoma, **p = 0.001, *p = 0.038. (B) ROC curve of serum tumor markers for diagnosis of urachal carcinoma by single and combined detection. AFP, alpha‐fetoprotein; CEA, carcinoembryonic antigen; CA199, carbohydrate antigen199; CA724, carbohydrate antigen 72‐4.
