Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip is 5 .3 cm above the carina and is appropriately positioned . Lower lung opacity has worsened over last 24 hours and in addition a small left pleural effusion is new . Apart from minimal right basal atelectasis the right lung is clear . Mildly enlarged heart size is stable . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Over last 24 hours , lower lung opacity which is likely atelectasis / consolidation has worsened and small left pleural effusion is new and small right lung base atelectasis is unchanged . There is no pulmonary edema .