Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Previously identified tracheostomy is no longer visualized . Prior left - sided pleural effusion and basilar opacity has essentially resolved . There is no residual effusion . The lungs are now clear . Cardiomediastinal silhouette is within normal limits . Kyphoplasty changes seen in the lower thoracic spine . No acute osseous abnormality detected . Old right lateral clavicular fracture is again seen .
    OUTPUT:
    
No definite acute cardiopulmonary process . Interval resolution of previously seen left pleural effusion .