Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right Port - a- cath . There is a right basilar opacity which likely reflects chronic atelectasis , and there is a small right pleural effusion with associated atelectasis . The cardiac and mediastinal silhouette is unchanged . Surgical anchors are noted overlying the right humeral head .
    OUTPUT:
    
Small right pleural effusion with associated atelectasis .