Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate hyperinflated lungs consistent with emphysema . Increasing opacities in the right middle lobe , which is retracted upwards in this patient , as well as patchier changes in the right lower lobe , have progressed since ___ . The right medial heart border is obscured on today 's exam . A left lower lobe nodule corresponds to the patient 's small abscess seen on recent CT . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Since ___ , there are continually worsening opacities in the right middle and right lower lobe . The time course suggests an atypical infection such as mycoplasma or other form of chronic infectious etiology .