The unassuming sign on my neck that turned out to be terminal cancer. Stuart Smith, 40, initially brushed off a grape-sized lump in his neck as a 'cyst', which turned out to be stage three melanoma.

Makaila Chenier, 17, from Texas, thought the 'little' lump she found in her neck was a swollen lymph node from a lingering cold. It turned out to be cancer, and the following month she was diagnosed ...