Multiple Bilateral Parenchymal Cavitary Lung Lesions: A Case Report

Several infections and diseases can cause lung cavitation. Pulmonary metastases are common from a variety of tumors and they can spread via blood or lymphatic system. In this report, we present a 54 year-old man with multiple bilateral parenchymal cavity lesions with a ground glass manifestation. According to immunohistochemistry (IHC) results of both cell block sample and lung biopsy specimen, pulmonary primary cancers were excluded and the diagnosis of metastatic carcinoma was established.