Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Heart is top normal in size . Cardiomediastinal contour is stable . Lungs are clear . Right basilar opacities likely represent atelectasis . There is no focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
No acute intrathoracic process .