CRP and neoplasm: There were no abnormalities in complete blood count, blood biochemistry, erythrocyte sedimentation rate (ESR), rheumatoid factor (RF), C-reactive protein (CRP), anti-nuclear antibody (ANA), anti-cyclic citrullinated peptide (anti-CCP) antibodies anti-streptolysin O (ASO) antibodies, thyroid function, and tumor markers.