Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . No prior . There is retrocardiac opacity which silhouettes the medial hemidiaphragm and descending aorta . Increased pleural - based opacity seen laterally at the left lung base . This could potentially be due to an effusion . Elsewhere , the lungs are clear . Cardiac silhouette is enlarged , potentially accentuated by technique . Posterior thoracic / lumbar spinal fixation hardware is seen with midline surgical ___ . Anterior cervical fixation hardware is also seen . There is apparent erosion of the distal aspect of the right clavicle which is incompletely evaluated .
    OUTPUT:
    
Left basilar opacity , in part due at an effusion with possible underlying atelectasis or consolidation . If possible , PA and lateral , may opt for additional detail , when the patient is amenable .