Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Assymetry of breast shadws noted , larger on the right . There is a moderate right pleural effusion concerning for malignant involvement given the clinical history . A subtle opacity is identified at the left lung base laterally and is of uncertain etiology . Close attention on follow - up examinations is recommended . There is no pneumothorax . No vascular congestion or overt pulmonary edema is identified . Cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
1 . Moderate right pleural effusion concerning for malignant involvement . 2 . Subtle left basilar opacity of uncertain etiology . Close attention on follow - up imaging is recommended .