Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-erect chest film ___ at 07 :48 is submitted .
    OUTPUT:
    
Endotracheal tube has it s tip 3 .5 - 4 cm above the carina . The right PICC line is unchanged in position . Esophageal stent is again seen . The patient is status post median sternotomy for CABG with stable cardiac and mediastinal contours . Overall , there is improving aeration in the right lung consistent with resolving edema and decrease in size of a right pleural effusion . The left lung is grossly clear . No pneumothorax .