Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable chest radiograph demonstrates mildly increased aeration of the left upper lobe of with a constant appearing left - sided catheter . There is new right basilar atelectasis and possible small effusion . Mild pulmonary vasculature congestion has slightly increased since prior examination . Retrocardiac opacification consistent with atelectasis versus effusion .
    OUTPUT:
    
New right basilar atelectasis with mildy increased pulmonary vascular congestion . Increased aeration of left lung with constant catheter in left chest . No pneumothorax .