Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC terminates in the low SVC without evidence of pneumothorax . There is persistent blunting of the left costophrenic angle suggesting small pleural effusion with possibly overlying atelectasis . Right base opacity persists , possibly minimally improved . No large pleural effusion seen on the right . No overt pulmonary edema . Stable cardiac and mediastinal silhouettes .
    OUTPUT:
    
Persistent small left pleural effusion with possible overlying atelectasis . Persistent right base opacity may be minimally improved .