Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low , resulting in bronchovascular crowding . Cardiomediastinal and hilar contours are unchanged . There is blunting of the left costophrenic angle . No pneumothorax .
    OUTPUT:
    
Blunting of the left costophrenic angle is worrisome for developing pulmonary infarct and pleural effusion given extensive pulmonary emboli .