[Unusual metastatic shadows in the lungs and mediastinum].

A wide spectrum of malignomas may develop calcified or ossified pulmonary changes of different appearance, thin or thick walled air containing cavities, or calcifications in the mediastinal lymph nodes. These unusual radiographical manifestations of metastatic deposits in the lung and mediastinum may be misdiagnosed as benign lesions what is a reason for considerate evaluation of these findings.