Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . The heart has a left ventricular configuration . The mediastinal contours are otherwise unremarkable . Minimal blunting of the left costophrenic angle could represent a small pleural effusion or atelectasis . No focal consolidation or pneumothorax .
    OUTPUT:
    
Minimal blunting of the left costophrenic angle could represent a small pleural effusion or atelectasis .