Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal silhouettes are stable . Biapical pleural thickening again seen . No focal consolidation or pleural effusion , evidence pneumothorax is seen . Chronic deformity of the proximal left humerus is again noted . Partially imaged right humeral prosthesis .
    OUTPUT:
    
No acute intrathoracic process seen .