Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . No prior . There is focal opacity at the lateral left costophrenic angle , potentially due to overlying soft tissues and prominent pericardial fat pad . The lungs are otherwise clear of focal consolidation . Posterior costophrenic angles are sharp . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .