Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of chest . Only seen on the lateral view at the costophrenic angle is a spiculated nodular density measuring approximately 11 mm . Otherwise , the lungs are clear . There is no pleural effusion , pneumothorax or pneumomediastinum . The heart size is normal .
    OUTPUT:
    
11 mm spiculated nodular density is noted in the costophrenic angle which may simply represent overlying shadows . Recommend the repeat lateral radiograph in order to assess if this persists . By the time of review of the study , the patient had left the ED therefore these results were emailed to the Emergency Department QA nurses .