Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with study of ___ , the patient has taken a slightly better inspiration . There is increased opacification at the right base with silhouetting of the heart border , suggestive of middle lobe pneumonia , especially in view of the clinical history . Retrocardiac opacification with obscuration of the hemidiaphragm is consistent with volume loss in the lower lobe and pleural effusion . Monitoring and support devices remain in place .
    OUTPUT:
    
Probable development of right middle lobe pneumonia .