Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated . Subsegmental atelectasis in the right lung base is noted . There is also a small nodule in the right mid lung that was also present in prior study . No other focal opacities are noted . Cardiomediastinal and hilar contours are unremarkable . There is a right - sided PICC that ends in the lower SVC . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No radiographic evidence of pneumonia .