Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There is no focal consolidation , pleural effusion or pneumothorax . Mediastinal , hilar and pleural surfaces are unremarkable . Heart size is normal . Mild pectus excavatum is noted .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Mild pectus excavatum .