Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . There is vague increased haziness at the lung bases . There is no pleural effusion or pneumothorax . The cardiomediastinal contours are normal .
    OUTPUT:
    
Probably normal study . Vague haziness at bases may be due to technique . For better assessment , PA and lateral views can be done .