Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: One semi-upright portable view of the chest . The left lung opacity has progressed , now including almost the entire left lung with only small areas of lucencies in the apex . The right lung is grossly clear and there is no right pleural effusion .
    OUTPUT:
    
Progression of left lung white - out likely total lung collapse , underlying known lung and hilar pathology is obscured