Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 3 .4 cm above the carina and right PICC line ends at lower SVC , appropriately positioned . Increased left lower lung opacity which is likely combination of atelectasis and / or consolidation and mild - to - moderate left pleural effusion is unchanged over last 24 hours . Minimal right lung base atelectasis is also similar . Upper lungs are clear . Heart size , mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Left lower lung opacity from atelectasis and / or consolidation and mild - to - moderate left pleural effusion and minimal right lung base atelectasis are unchanged over last 24 hours .