Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided PICC line courses into the chest . It s tip is not well visualized but it appears to terminate in the left brachiocephalic vein , similar to prior findings . Partly visualized cervicothoracic fusion shows no definite change . The cardiac , mediastinal and hilar contours appear state unchanged . An increasing opacity is noted in the left retrocardiac area with bronchograms . There is no definite pleural effusion or pneumothorax . The lungs appear otherwise clear .
    OUTPUT:
    
Increased opacity in the left lower lobe with air bronchograms worrisome for pneumonia .