Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is linear right basilar opacity which is most likely atelectasis . More ill defined consolidation at the left lung base . Superiorly , the lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Consolidation at the left lung base . This could represent atelectasis , infection , or in the setting of chest pain infarct could be considered .