Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sternotomy wires are intact and aligned . The midline tracheostomy defect and tracheostomy tube are unchanged . Cardiomegaly despite the projection is stable . There is no pneumothorax . Lung volumes are low , contributing to bilateral vascular crowding . However , there are no new consolidations or pleural effusions .
    OUTPUT:
    
No appreciable interval change in cardiomegaly with grossly clear lungs .