Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views were obtained of the chest . The lungs are well expanded and clear with mild vascular congestion without overt pulmonary edema . The heart remains moderately enlarged with sternotomy wires and aortic valvular prosthesis is noted . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild vascular congestion without overt pulmonary edema .