pSheridan the dog is loved by his owner Morgan, and her boyfriend Zach. As the beginning of this video shows, Sheridan is full of life, but sadly he is battling bone cancer. He recently went through an operation to remove his right forelimb and is currently undergoing chemotherapy. Despite these challenges, Sheridan continues to live life to the full, as the end of the video shows.ppHis owners are asking for donations for their online fundraiser at . They say all donations will go to Bone Cancer Dogs, “a non-profit 501©3 organization whose mission is to exclusively fund research for canine bone cancer, and to promote awareness and education about the disease.