Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The distal end of right Pleurx is not visible . Small pleural effusion has , however , improved . Left moderate - to - severe pleural effusion has slightly increased . The patient is known with the bilateral multiple metastases from breast cancer . There is no pneumothorax . Left - sided Port - A - Cath ends in lower SVC .
    OUTPUT:
    
1 . End of right - sided Pleurx is not clearly seen on this chest x-ray . 2 Small right pleural effusion has improved . There is no pneumothorax .