CRP and metastatic malignant neoplasm in the lymph nodes: Male patients, lymph node metastases, and higher tumor stage were related to elevated CRP level (OR = 1.67, 95% CI: 1.34‐2.09; OR = 2.40, 95% CI: 1.44‐3.99; OR = 1.39, 95% CI: 1.12‐1.74).