Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right chest wall Port - A - Cath is in unchanged position ending in the lower SVC . Is been interval removal of the right pleural drainage catheter . There is persistent blunting of the right costophrenic angle which may reflect small residual effusion . No focal consolidation , pneumothorax or left pleural effusion .
    OUTPUT:
    
No acute intrathoracic process .