Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lung atelectasis / scarring is seen No pleural effusion or pneumothorax is seen . The aorta is tortuous . The cardiac silhouette is top - normal to mildly enlarged . No pulmonary edema is seen . Surgical clips are noted projecting over the epigastrium . Density projecting over the spine and may relate to known prostate osseous metastases .
    OUTPUT:
    
Right lower lung atelectasis / scarring . Density projecting over areas of the thoracic spine may relate to patient 's known osseous metastases .