louisa steckenreuter , 35 , a mother to two young children , and tilda , 2 , was diagnosed with osteosarcoma , a rare form of cancer last year .
now to have a chance at accessing potentially life-saving treatment the woman from dulwich hill , in sydney 's inner-west , needs to raise $ 100,000 .
` what we 're hoping is that it gives me longer to spend time with my kids and watch them grow up .