Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Indistince pulmonary markings could reflect some elevation in pulmonary venous pressure . Patchy opacities in the right cardiophrenic angle partially obscure the right cardiac margin . There are also patchy opacities in the left lung base projecting over the cardiac shadow . There is no pleural effusion or pneumothorax . Cardiac size can not be properly evaluated in this supine exam . Sternotomy wires are intact .
    OUTPUT:
    
Probable mild elevation of pulmonary venous pressure . Patchy opacities in the right middle lobe and left lung base raise concern for multifocal pneumonia in the appropriate clinical setting .