Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the immediate prior study , the moderate left pleural effusion appears unchanged . A pleural - based mass along the left chest wall that was better evaluated on recent CT has increased in size , now measuring 4 .9 x 3 .1 cm compared with 3 .5 x 2 .1 cm on ___ . There is persistent elevation of the right hemidiaphragm . There is no right - sided pleural effusion . There is stable mild cardiomegaly . There is no pulmonary vascular congestion , focal consolidation , or pneumothorax . Several scattered sclerotic rib lesions are unchanged .
    OUTPUT:
    
1 . Unchanged moderate left pleural effusion . 2 . Increased size of the left - sided pleural based mass .