Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , new opacity in right upper lobe concerning for pneumonia . Unchanged significant cardiomegaly . Chronic elevation of left diaphragmatic surface . Unchanged collapse of the left lower lobe . Unchanged small left pleural effusion . Mild left basilar atelectasis . Rightward deviation of trachea likely due to positioning as there was no mediastinal mass seen on chest CT ___ . No pneumothorax .
    OUTPUT:
    
Since ___ , new possible right upper lobe pneumonia . Chronic elevation of left hemidiaphragm . Chronic left lower lobe collapse . Unchanged small left pleural effusion .