Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right middle and lower lobe collapse , notably where the enteric tube was mistakenly initially placed in the prior radiographs , before appropriate advancement into the stomach . Left lower lobe atelectasis is improved and a new small left pleural effusion is probably unchanged . Marked dilation of the aortic arch with rightward tracheal deviation is unchanged . Heart size is normal . Visualized cardiomediastinal and hilar silhouettes are otherwise unremarkable . An enteric tube passes below the diaphragm and outside the field of view . Median sternotomy wires and lumbar fusion hardware are noted .
    OUTPUT:
    
New right middle and lower lobe collapse . Probably unchanged left pleural effusion and improved left basilar atelectasis .