A 100 million pound Cancer Centre - which patients have helped to design - has opened at University College Hospital.
Those running the Macmillan Cancer Centre say it will redefine the way patients are treated, focusing on all aspects of their outpatient care.
They will also have the opportunity to take part in leading-edge clinical trials.
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The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.
Services through Kempton Park were suspended over the weekend due to an "obstruction on the line".
A leading sexual health clinic has apologised after mistakenly sharing the HIV positive status of hundreds of patients in an email.