Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Study is somewhat limited due to multiple metallic densities from patient 's clothing overlying the lungs on frontal view . Lung volume is low . There is opacity at the right lung base , which could be pneumonia . Rest of the lungs appear clear . There is no pleural effusion , or pneumothorax . Cardiomediastinal and hilar silhouettes are normal size .
    OUTPUT:
    
Study is somewhat limited due to multiple metallic densities from patient 's clothing overlying the lungs on frontal view . There is opacity at the right lung base , which could be pneumonia .