We 're hoping the chemotherapy will help the situation . '' Allison has a cancerous tumor in her trachea . Selena Gomez shared videos of herself singing on Music and the MD Anderson Cancer Center iReport . Her videos received the attention of actress and pop star Allison . She is eager to get back on the ice one day , but is pursuing singing as a career .
Allison has a cancerous tumor in her trachea . Selena Gomez shared videos of herself singing on Music and the MD Anderson Cancer Center iReport . Her videos received the attention of actress and pop star Allison . She is eager to get back on the ice one day , but is pursuing singing as a career .