Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lung volumes are slightly low , resulting in bronchovascular crowding . There is a small amount of left basilar atelectasis . No focal consolidation , pleural effusion or pneumothorax is identified . The cardiac and mediastinal silhouettes and hilar contours are normal allowing for lung volumes . No acute osseous abnormality is identified .
    OUTPUT:
    
Minimal left basilar atelectasis . Otherwise , no acute intrathoracic process .