Prognosis of Patients With Stages I and II Non-Small Cell Lung Cancer With Nodal Micrometastases

The presence of OM in the mediastinal LNs was associated with decreased total and disease-free survival rates in stages I and II NSCLC patients. Immunohistochemical staining of mediastinal LNs obtained preoperatively improved the accuracy of staging and allowed for the identification of patients with a poorer prognosis.