Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . There is no focal consolidation , effusion , or pneumothorax . The cardiomediastinal silhouette is unchanged with mild cardiomegaly again noted . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Mild cardiomegaly unchanged . No signs of pneumonia or edema .