Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Small linear opacities in the left lower lung are likely due to atelectasis ; otherwise , there is no focal consolidation or pulmonary edema . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are normal .
    OUTPUT:
    
No acute intrathoracic process .