Faoro L, Hutto JY, Salgia R, El-Zayaty SA, Ferguson MK, Cheney RT, Reid ME, Armato SG, Krausz T, Husain AN. Lymphatic vessel density is not associated with lymph node metastasis in non-small cell lung carcinoma. Arch Pathol Lab Med. 2008 Dec; 132(12):1882-8.