Dogs sniff bowel cancer in Japan

Olfactory detection of a number of diseases including melanoma -- a malignant form of skin cancer -- as well as bladder, lung, breast, and ovarian cancer by dogs has been assessed in previous studies.Japanese researchers have trained an 8-year-old Labrador retriever to diagnose colorectal cancer by smelling a patient's breath or stool. The Lab, who previously worked as a water rescue dog, has an overall accuracy of 95% when smelling the breath and a 98% for the stool when compared to

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