Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Note is again made of a left - sided PICC line . There are new bilateral parenchymal densities partly obliterating the diaphragm , especially on the left side . There are no pleural effusions or pneumothorax . There is no cardiomegaly , and the mediastinal and hilar contours are normal .
    OUTPUT:
    
1 . New bilateral parenchymal densities suggestive of an infective process .