A teen who lost his leg when a lump that formed after a rugby tackle ... Oliver Liddle, 19, had his leg amputated after finding aggressive bone cancer in his leg. Mr Liddle, a gym instructor ...

"Many patients will wonder: 'I have a lump on my arm or my leg, should I have this evaluated? "Who should I see, and when are these symptoms concerning?'" says Dr Krista Goulding, a Mayo Clinic ...