Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Lower lung volumes seen on the current exam and patient is rotated to the left . Increased interstitial markings throughout the lungs are seen and thought to be chronic in nature . Please note that lung apices are obscured due to patient 's chin . Median sternotomy wires and mediastinal clips are noted .
    OUTPUT:
    
No definite acute cardiopulmonary process .