Mother Raises Money for Cancer, Then Learns Daughter Has Tumor

KELLEY TUTHILL ON WHY SHE SAID SHE HAS TO RUN NOW MORE THAN EVER. >> IT'S A GREAT RELIEF. IT HELPS ME CLEAR MY MIND. >> IT WOULD BE A BIG CHALLENGE FOR ANY WORKING MOTHER OF A TODDLER TO TAKE OB THE BOSTON MARATHON. STILL, ANDREA COMMITTED IN JANUARY TO RUN FOR THE REESEA ROSEN GARD FOUNDATION WHICH SUPPORTS LOCAL FAMILIES COPING WITH CANCER. >> I SAID, LOOK. IF YOU WANT ME I'M IN. FAMILY. THE DAY SHE REACHED OUT TO ME AND SAID YES WE WANT YOU WAS THE DAY WE WERE WAITING IN THE JORDAN HOSPITAL IN THE EMERGENCY ROOM FOR THE FIRST TIME THINKING WHAT IS GOING ON WITH OLIVIA? >> ANDREA AND JASON'S 11-MONTH-OLD DAUGHTER HAD BEEN VOMITING LEADING DOCTORS TO FOCUS ON HER G.I. TRACT. ELSE. >> I TOLD THEM, YOU KNOW, SHE IS KIND OF WALKING UNSTEADILY. BUT SHE'S 18 MONTHS. WHO WOULDN'T? >> AN M.R.I. SHOWED A TUMOR IN THE LOWER REAR PORTION OF OLIVIA'S BRAIN. OLIVIA NEEDED SURGERY AND SIX MONTHS OF CHEMOTHERAPY. >> IT'S TOUGH, BUT SHE -- WHAT CHOICE DO WE HAVE? IF WE DON'T DO THI MEDICATION, WE'RE GOING TO NOT HAVE A HEALTHY DAUGHTER. AND THAT'S JUST NOT AN OPTION. >> FOR ANDREA, T COACH OF THE HIGH SCHOOL SOCCER TEAM, SKIPPING THE MARATHON WAS NOT AN OPTION EITHER. >> I SAID I NEED TO DO THIS. I WANT TO DO THIS. I WANT TO DO THIS FOR THEM. I GAVE THEM MY WORD. >> ANDREA HAS BEEN RUNNING ON TREADMILLS AT THE HOSPITAL AND AROUND BOSTON WHILE OLIVIA UNDERIN-PATIENT CHEMO. >> IT'S HARD TO LEAVE BECAUSE THE FIRST STEP OUT OF THE HOUSE OR OUT OF THE HOSPITAL I SAY WHAT IF SOMETHING HAPPENS? WHAT IF I MISS SOMETHING >> OLIVIA'S COURAGE AND RESILIENCY PROVIDES ALL THE MOTIVATION ANDREA NEEDS AS SHE JUGGLES HER TRAINING AND CARING FOR HER DAUGHTER. >> MY WIFE TRULY GIVES THE BEST OF THE HUMAN SPIRIT. SHE IS EASY TO ROOT FOR. SHE IS EASY TO ROOT FOR. >> COME MARATHON DAY JASON AND AT THE FINISH LINE TO CHEER MOM