Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are heterogeneous bibasilar opacities containing air bronchograms . The left costophrenic angles not well seen , which suggests the presence of a left pleural effusion . The heart appears enlarged . The aorta is mildly tortuous . No pneumothorax
    OUTPUT:
    
1 . Multifocal pneumonia . 2 . Left pleural effusion .