Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are relatively well expanded . Linear platelike atelectasis is present in the right lower lung . There is no pleural effusion , pulmonary edema , pneumothorax , or focal consolidation concerning for pneumonia . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Right lower lung atelectasis . No evidence of pneumonia .