Question: Royal London Hospital is part of which NHS Trust in London?

Context paragraphs:
Queen Elizabeth Hospital for Children: The Queen Elizabeth Hospital for Children in London was formed from the 1942 merger of the Queen's Hospital for Children in Bethnal Green and the Princess Elizabeth of York Hospital for Children, Shadwell.  The Shadwell site was closed in 1963.  In 1996 the hospital became part of The Royal Hospitals NHS Trust, later renamed Barts and The London NHS Trust.  In 1998 the services carried out by the hospital were moved to within The Royal London Hospital, but retaining their separate identity.

Queen Elizabeth Hospital, Woolwich: The Queen Elizabeth Hospital is located on Woolwich Common in London, England, was opened in March 2001 and serves patients from the Royal Borough of Greenwich and the London Borough of Bexley.  The hospital was built to accommodate the services previously provided at Greenwich District Hospital and Brook General Hospital, and is a Private Finance Initiative hospital.  In April 2009, the hospital was part of a merger with Queen Mary's Sidcup NHS Trust and Bromley Hospitals NHS Trust to form South London Healthcare NHS Trust.

Royal London Hospital: The Royal London Hospital is a large teaching hospital in London, United Kingdom.  It is part of Barts Health NHS Trust.  The Royal London provides district general hospital services for the City and Tower Hamlets and specialist tertiary care services for patients from across London and elsewhere.  It is also the base for London's Air Ambulance, operating out of a rooftop helipad.  There are 675 beds, 110 wards and 26 operating theatres at the Royal London Hospital.  The new building opened in February 2012.

Swansea NHS Trust: Swansea NHS Trust was an NHS Trust covering Swansea, south Wales.  It was established on 1 April 1999 and ceased to exist on 1 April 2008 when it merged with Bro Morgannwg NHS Trust to form the Abertawe Bro Morgannwg University NHS Trust (ABM).  The trust managed nine hospitals and provides over 1,800 beds.  In addition, it provided healthcare from number of community premises.  Swansea NHS Trust was a designated university trust.

Princess Royal University Hospital: The Princess Royal University Hospital or PRUH is a large acute district general hospital situated in Locksbottom, near Farnborough, in the London Borough of Bromley.  It was opened on 1 April 2003 on the site of the former Farnborough Hospital, where it was built to house the services previously provided by Bromley and Farnborough Hospitals.  It was initially administered by the Bromley Hospitals NHS Trust, until a merger with Queen Elizabeth Hospital NHS Trust and Queen Mary's Sidcup NHS Trust created the South London Healthcare NHS Trust in April 2009, which took over the running of several other hospitals in the local area.  The hospital building was funded partly by the sale of the land occupied by Bromley Hospital, and partly by a private finance initiative which cost £118 million to build, but for which taxpayers will end up paying £1.2 billion to the PFI owners in a deal which lasts for 60 years.

Royal Free London NHS Foundation Trust: Royal Free London NHS Foundation Trust (formerly Royal Free Hampstead NHS Trust) is an NHS foundation trust based in London, United Kingdom.  It comprises Royal Free Hospital, Barnet Hospital, Chase Farm Hospital, as well as clinics run by the trust at Edgware Community Hospital, Finchley Memorial Hospital and North Middlesex University Hospital.  On 1 July 2014 the Barnet and Chase Farm Hospitals NHS Trust was acquired by Royal Free London NHS Foundation Trust, making it one of the largest Trusts in the country, employing more than 9,000 staff and providing services to about a million patients.

Conquest Hospital: Conquest Hospital is a National Health Service hospital in St. Leonards-on-Sea near the borough of Hastings in East Sussex, England.  When Conquest Hospital opened in 1992 it was part of Hastings and Rother NHS Trust which, in 2002, merged with Eastbourne Hospitals NHS Trust to form East Sussex Hospitals NHS Trust.  Then in 2012 East Sussex Hospitals NHS Trust integrated with Community Services in East Sussex to form East Sussex Healthcare NHS Trust.

Lewisham and Greenwich NHS Trust: Lewisham and Greenwich NHS Trust is an NHS trust which was formed on 1 October 2013 by the merger of Lewisham Healthcare NHS Trust and Queen Elizabeth Hospital.  It is responsible for running two acute hospitals, Queen Elizabeth Hospital and University Hospital Lewisham, in addition to community health services in Lewisham.  Despite extensive local opposition and legal challenges in Lewisham, the forced merger came about as part of the dissolution of South London Healthcare NHS Trust - of which Queen Elizabeth was part, but Lewisham was not - and was approved by Secretary of State for Health Jeremy Hunt on 26 September 2013.

North West London Hospitals NHS Trust: North West London Hospitals NHS Trust was an NHS trust that ran Northwick Park Hospital and St Mark's Hospital in Harrow and Central Middlesex Hospital, Park Royal, London, England.  In October 2014, the trust merged with Ealing Hospital NHS Trust to become London North West Healthcare NHS Trust.

Barts Health NHS Trust: Barts Health NHS Trust is an NHS Trust operating in the City of London and East London.  It is part of UCL Partners.

Supporting paragraphs: Royal London Hospital Barts Health NHS Trust
Answer: Barts Health NHS Trust