(scroll down for video) A cancer detection dog at a charity in Milton Keynes that is responsible for saving hundreds of lives has been awarded a medal that celebrates the achievements of amazing animals by pet charity Blue Cross.  10-year-old Labrador Daisy, who is trained by Great Horwood based charity Medical Detection Dogs to sniff out cancer, was awarded the Blue Cross Medal for her pioneering work in the field of cancer detection, where she has sniffed over 6,500 samples and detected over 550 cases of cancer.  As well as using her acute sense of smell to pick out chemicals given off in cancer cells in samples of a patient’s breath, skin or urine, Daisy also helped detect breast cancer in her owner in 2009.   Dr Claire Guest, Daisy’s owner and Chief Executive of Medical Detection Dogs, explains: “Daisy kept nuzzling and pawing at my chest one day, which really alarmed me. I got it checked out and was told I had early stage breast cancer. Fortunately I was able to have it removed but if it wasn’t for Daisy it would have gone undetected for much longer and could have been more serious.”  Daisy - pictures with Claire, below -  is just one of many heroic pets to have received a Blue Cross Medal since the charity was founded in 1897. They include a cat named Jim who in 1942 saved the lives of his family by alerting them to a house fire, and a Metropolitan Police dog called Jake who received the medal in 2007 after he cleared the scene at the Tavistock Square bus bombing and helped paramedics get access to the injured. Daisy and Claire Guest  Steve Goody, Blue Cross Deputy Chief Executive, says: “The Blue Cross Medal is awarded to animals that have changed or saved someone’s life. All the judges on the medal panel were really touched by Daisy’s remarkable story and the incredible difference she has made. Cancer affects the lives of thousands of people and Daisy has made a huge contribution to the diagnosis and early treatment of cancers – she’s a very deserving medal recipient”  Daisy now helps train a team of 12 dogs at the Medical Detection Dogs head office and is a senior consultant for the UK’s first ever trial using canines to detect breast cancer.   Dr Claire Guest adds: “I am absolutely thrilled that Daisy has been awarded the Blue Cross Medal. It’s a huge honour and I am so proud of her. Working with dogs and using their incredible sense of smell to help fight cancer can make a real difference to the lives of so many people.” The Blue Cross medal has been reinstated in 2014 to mark the 100 year anniversary of the start of the First World War. The specially commissioned medal commemorates Blue Cross’s history helping horses on the battlefield and recognises the important role that animals still play in our lives today. For more information visit and   Watch the video here: Daisy with the Blue Cross Medal