Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is seen . There is persistent blunting of the left costophrenic angle , likely chronic a low a very trace underlying left pleural effusion is not excluded . No right pleural effusion is seen . There is no pneumothorax . The cardiac and mediastinal silhouettes are unremarkable . Surgical clips are again noted overlying the lateral left hemithorax . Chronic left - sided rib deformities are again seen . Surgical clips are also noted in the upper abdomen . Compression deformities at several levels along the thoracic spine were better assessed on prior CT from ___
    OUTPUT:
    
Persistent blunting of the left costophrenic angle , likely chronic although a trace amount of underlying pleural fluid is not excluded . No focal consolidation .