Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . There is increased right lung base opacity , likely due to lobar collapse with increased overlying pleural effusion . There is mild pulmonary edema , especially prominent on the left . Postoperative neoesophagus is stable - appearing . There is no pneumothorax . Heart size is normal . Right mainstem bronchial stent is approximately 1 .4 cm from the carina and may possibly occlude the upper lobe take - off . The stent was previously 2 .6 cm below the carina and likely in the bronchus intermedius .
    OUTPUT:
    
1 . Right lower lobe collapse and increase in right pleural effusion . 2 . Slight proximal migration of bronchial stent , now in right mainstem bronchus approximately 1 .4 cm from the carina .