Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Lung volumes are low . Mild cardiomegaly is noted . There is subtle blunting of the left CP angle suggesting a tiny effusion or pleural thickening . The lungs appear clear without focal consolidation or edema . No pneumothorax . Mediastinal contour is normal . Bony structures are intact . Partially imaged spinal hardware is again noted in the lumbar spine .
    OUTPUT:
    
Cardiomegaly with tiny left pleural effusion versus pleural thickening . No findings to account for acute chest pain .