Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Cardiomegaly again noted . Prosthetic cardiac valves and midline sternotomy wires are present . The hila appear mildly congested though there is no definite pulmonary edema . No large effusion or pneumothorax . No signs of pneumonia or contusion . Mediastinal contour stable . Bony structures appear intact .
    OUTPUT:
    
Cardiomegaly with hilar congestion . No definite signs of traumatic injury .