Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low which accentuates bronchovascular markings and the transverse diameter of the heart . Given that , the heart is top - normal to minimally enlarged . The pulmonary vasculature is mildly engorged and there is mild edema . A right basal opacity suggests atelectasis however infection should be considered . No pleural effusion is identified . The left lung is clear .
    OUTPUT:
    
Markedly low lung volumes . Thank basal opacity suggests atelectasis and mild edema . Infection or aspiration should be considered in the appropriate setting .