After finding a lump in her breast while on holiday with her husband, Strictly star Amy Dowden was diagnosed with breast cancer at the age of 32.
And while it is crucial to check your breasts and armpits regularly for any lumps, there are a number of other early symptoms that could be warning signs of the disease.
When it comes to breast cancer, for instance, it's not just a lump you should keep an eye out for. You could also get a rash around your nipple or notice a change in the size or shape of your breast.