Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single supine portable view of the chest . Patient is rotated to the right . The lungs are grossly clear with interval resolution of a previously seen pulmonary edema . There is focal , likely pleural - based opacity projecting over the right lung base laterally , potentially due to loculated pleural fluid , especially given prior right - sided pleural catheter which is no longer visualized . The cardiomediastinal silhouette is unchanged , noting a dual - lead pacing device . Gaseous distention of the stomach is identified . Degenerative changes seen at the shoulders bilaterally .
    OUTPUT:
    
Resolution of previously seen edema without definite acute cardiopulmonary process . Possible loculated right basilar pleural effusion laterally .