Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is present , accentuated by is slightly decreased lung volumes . The aorta is tortuous . Mediastinal and hilar contours are grossly unremarkable . Pulmonary vasculature is not engorged . Patchy opacities in the lung bases may reflect areas of atelectasis . No large pleural effusion , focal consolidation or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
Bibasilar patchy opacities , likely atelectasis . Infection or aspiration can not be excluded in the correct clinical setting .