Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral views of the chest provided . Cardiomegaly is again noted with mild central hilar congestion . The lungs appear clear without effusion or pneumothorax . Mediastinal contours stable . Atherosclerotic calcifications along the aortic knob noted . Degenerative changes of the right shoulder noted .
    OUTPUT:
    
Cardiomegaly with central congestion .