I found breast lumps, waiting for referral now. Scared.

Hi I no this post is old but I hope someone can reply to me I found some lumps in my left breast not rock hard lumps they are more grizzly and move when  I touch them my doctor said she is not worried but still I need to get them checked out so she has sent a referral  letter to the hospital I just have a wait 3weeks now 4 a appointment I have 3 young  kids and a partner and I'm terrified  its cancer and that I'm going to die my two aunties had breast cancer thank God they are ok now but I keep thinking I'm following them now I havent told my family or my partner I'm to afraid I'm a young mom so I guess I was just woundering can anyone else tell me what there breast lump felt like my left boob is always very sore