Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation is limited by low lung volumes extensive pleural plaques . Increased fullness of the left hilum may represent mild volume overload . Opacity projecting over the left lung base on the lateral view may represent sequela of low lung volumes and pleural plaques , but underlying infection ca n't be excluded .
    OUTPUT:
    
The study is significantly limited by extensive pleural calcifications related to asbestos exposure . Fullness of the the left hilum on the frontal view may represent mild fluid overload . Opacity projecting over the left lung base on the lateral view may represent sequela of low lung volumes and pleural plaques , but underlying infection ca n't be excluded .