There are currently 170,000 people in Ireland who are either living with cancer or have come through it.
Shannen Joyce from Youghal in Co. Cork is a two-time cancer survivor. Now a 25-year-old mother, she was just 19 when she was first diagnosed.
Shannen is an Irish Cancer Society ambassador, and she joined us on The Last Word to mark Daffodil Day and tell her story.
Listen to the interview in full by pressing the play button on this page.
