Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Opacity with silhouetting of the right heart border and the right medial hemidiaphragm are new since ___ consistent with right middle and lower lobe pneumonia or infarcts in the appropriate clinical situation . No pleural effusion or in pneumothorax . More streaky opacities at the left base likely reflect atelectasis . The heart is top - normal in size . No pulmonary edema .
    OUTPUT:
    
1 . Right middle and lower lobe opacities are non-specific and can be seen with pneumonia in the appropriate clinical situation , but pulmonary infarct can not be excluded given the provided clinical history . 2 . No pneumothorax .