A new series behind the scenes at world-leading cancer hospital Royal Marsden, where aspiring midwife Anthea has a difficult tumour that could lead to arm amputation.

Ex-navy pilot Rich has a massive 16cm tumour from his jaw to his heart. Meanwhile, nearly all the organs in Tracy's pelvis need removal due to her stage 4 bowel cancer.

Can surgery fix a rare cancer thirtysomething Lauren’s had since she was eight?

Fitness fanatic Jonathan requirespioneering robotic surgery for a rare melanoma. And ex-postie Dave needs a vascular tumour removed from around his left kidney.