11:05am
He explains the UVC is 'in a loop', and is 'almost certain to be outside the body'.
He says there is 'nothing unusual' in the appearance, and the diaphragm 'looks pretty clear', indicating a potential infection looks like it had improved.
Professor Arthurs says it is diffuclt to gauge between one x-ray and the other, but it would be consistent with an improving picture for a baby in air throughout that time.
11:07am
A further x-ray image, taken at Alder Hey Hospital after Child D had died, is shown to the court.
The UVC is still in, and a 'black line' just in front of the spine is a 'striking feature'.
Professor Arthurs says "air is present" on what the court hears is the 'main highway' of the circulation.
The trial of Lucy Letby, who denies murdering seven babies at the Countess of Chester Hospital neonatal unit and attempting to murder 10 more,…
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