It is easy to see that an early spay can completely prevent what is frequently a very difficult and potentially fatal form of cancer. (marvistavet.com)
A biopsy showed that the lump was malignant melanoma, a particularly fatal form of skin cancer. (discovermagazine.com)
In the first human trial of its kind, a vaccine grown in genetically engineered tobacco plants has proved to be safe, paving the way to one day use it to help combat a potentially fatal form of non-Hodgkin's lymphoma. (scientificamerican.com)