TY - CHAP M1 - Book, Section TI - Lung Lesions, Metastatic A1 - Doherty, Gerard M. PY - 2010 T2 - Quick Answers Surgery AB - • Pulmonary metastases occur via hematogenous spread from primary site; lymphatic and transbronchial spread are rare• Secondary metastatic spread to pulmonary and mediastinal lymph nodes may occur• Known extrathoracic primary cancers:-Multiple pulmonary lesions: Metastatic disease-Solitary lesions: Benign disease, 20%; new primary lung cancer, 20%; metastatic disease, 60%• Solitary squamous cell nodules should be addressed as a new primary lung cancer SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/23 UR - accesssurgery.mhmedical.com/content.aspx?aid=58094080 ER -