Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Minimal left basilar opacity is seen potentially due to atelectasis or prominent fat pad . The lungs are otherwise clear noting low lung volumes . Cardiac silhouette is slightly enlarged but likely accentuated by PA technique and low lung volumes . The cardiomediastinal silhouette is otherwise unremarkable . No acute osseous abnormality detected . Resorption of the distal right clavicle , potentially posttraumatic but old .
    OUTPUT:
    
No definite acute cardiopulmonary process .