Cancer survivor Mariah Martinez lays amongst her Justin Bieber memorabilia while texting in her room Thursday morning. The teen’s cancer is in remission after battling a rare and aggressive type of cancer called undifferentiated sarcoma.
Cancer survivor Mariah Martinez lays amongst her Justin Bieber memorabilia while texting in her room Thursday morning. The teen’s cancer is in remission after battling a rare and aggressive type of cancer called undifferentiated sarcoma.



