Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates intact sternal wires and moderate cardiomegaly . The lungs are fairly well - aerated , without focal consolidation or pneumothorax . There is minimal blunting of the left costophrenic angle , which may represent a trace pleural effusion . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No focal consolidation . Minimal blunting of the left costophrenic angle may represent a trace pleural effusion .