Transcript for School serenades teacher battling cancer with 'Fight Song'
Finally tonight, America strong. The first grade teacher who felt the love. Mrs. Marshall, a first grade teacher at central elementary school in Moore, Oklahoma. She's been a teacher for 21 years there. Caring for her students while fighting a personal battle. Emily Marshall is fighting breast cancer for the eighth time. Her students and the teachers there, the entire staff, wanted to show her how much she means to them. The entire school about to surprise her. Walking into that auditorium, "We love you Mrs. Marshall," they say. And Mrs. Marshall with a hand to her face. Her family right beside her, her husband, Danny, her children, Noah, Samantha and Bryce. We love her, we care about her. She's not fighting this battle I thank you guys all for supporting me through this. I love all of you. Thank you. And Mrs. Marshall's first graders with a fight song for her. Mrs. Marshall wiping away tears. I'll be strong I'll play my fight song I've still got left a lot of fight left in me Tonight, that first grade teacher sending us a message. Hi, David. Just wanted to check in and say thank you so much for airing my store I. Telling us she started her chemotherapy pills and that she's felling weal enough to teach. I'm able to still be in the classroom and teach with my kids. Everyone that is going through breast cancer right now, you guys can make it. And we are pulling for Mrs. Marshall. I'm David I am running to defeat Donald Trump.
This transcript has been automatically generated and may not be 100% accurate.