Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multifocal airspace opacities with peripheral and basilar predominance have been progressively worsening since ___ , suggesting subacute time course . Mediastinal contours and heart borders are normal . No substantial pleural effusion . No pneumothorax .
    OUTPUT:
    
Multifocal opacities with peripheral basilar predominance suggest cryptogenic organizing pneumonia , less likely subacute eosinophilic pneumonia or subacute hypersensitivity pneumonitis which could have a similar appearance but typically have an upper lobe predominance not seen in this patient . Appearance inconsistent with infectious pneumonia .