Fractured ribs do not usually cause lymph node enlargement directly, but may cause lymph node enlargement if an infection occurs. Fractured ribs can cause significant pain, which may worsen when breathing, changing positions, or coughing, but usually do not directly cause lymph node enlargement. Inadequate treatment of rib fractures can lead to poor healing, intercostal neuritis, or, if the fracture is severe, damage to the organs near the ribs, which can lead to lung infections. Enlarged lymph nodes are usually associated with infectious diseases, such as viral infection, bacterial infection, etc. Infection after fracture may also cause lymph node enlargement at the site of infection. Lymphoma can also cause swollen lymph nodes, and blood system diseases and autoimmune system diseases can also cause swollen lymph nodes. Fracture patients with enlarged lymph nodes should consult a doctor in time for examination and treatment of the cause of the disease.