Our senior dog, Ella, had a large, raised bump on her hind leg that appeared just after Christmas. It was very red and obvious, and she wouldn't leave it alone. We took her into the vet 1/4/23 and they did some bloodwork to determine it was likely a mast cell tumor. They scheduled for her to have it removed today, 1/20/23. Following that 1/4 appointment, I began doing research on mast cell tumors on YouTube when an advertisement for the Petsmont Immune Support showed up before one of the videos....