D2-40-Positive Lymphatic Vessel Density Is a Poor Prognostic Factor in Squamous Cell Carcinoma of the Lung

Background Experimental studies have revealed that D2-40 is useful in identifying the presence of lymphatic invasion in various malignant neoplasms, but the clinical significance remains unclear. The purpose of this study is to assess the clinical significance of D2-40 status in completely resected non–small cell lung cancer.