Advances in the Application of Immunohistochemical Markers in the Subtyping of Non-Small Cell Lung Cancer
Lung cancer is the most common malignancy worldwide in terms of both incidence and mortality, with non-small cell lung cancer (NSCLC) accounting for approximately 80%–85% of all cases. As most patients are diagnosed at an advanced stage with limited biopsy material, hematoxylin and eosin (H&E) staining alone is often i...