Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New in comparison to the prior exams is AP multifocal airspace opacity involving the right middle and likely right upper lobes , concerning for pneumonia . Otherwise , lungs are mildly hypoinflated . Allowing for changes due to this , the cardiomediastinal silhouette is unchanged . The left lung is grossly clear . There is no overt pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Right - sided pneumonia likely involving the right middle and right upper lobes . Recommend follow - up chest radiographs approximately ___ weeks after completion of therapy to exclude underlying abnormality .