Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate slightly low lung volumes which results in bronchovascular crowding . Increased patchy airspace opacities involving the right lower and mid lung , as well as the retrocardiac space may represent aspiration , patchy edema or pneumonia . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
IIncreased patchy airspace opacities involving the right lower and mid lung , as well as the retrocardiac space may represent aspiration , patchy edema or pneumonia .