Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided demonstrating mild cardiomegaly without signs of pulmonary edema or vascular engorgement . No large effusion is seen . No signs of pneumonia or pneumothorax . The mediastinal contour is stable . Bony structures are intact with mild degenerative changes in the mid - to - low thoracic spine . No free air below the right hemidiaphragm .
    OUTPUT:
    
Top normal heart size without definite signs of pulmonary edema .