Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left base atelectasis with possible consolidation is seen . The right lung is clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Left base atelectasis with possible consolidation overlying , which could be due to pneumonia . Recommend followup to resolution .