We could not detect correlations between EP1 and lymph-node status (p = 0.633), tumor size (p = 0.807), FIGO classification (p = 0.582), the histologic subtype (p = 0.523), p16 status (p = 0.463), or cytosolic COX-2 expression (p = 0.230). The gene discussed is PTGS2; the disease is neoplasm.