A 19-year-old girl died just two days after her birthday following a devastating cancer battle that began with symptoms doctors initially believed were caused by hormonal changes and other common medical conditions.
Liberty York, from Stratford-upon-Avon, England, spent months seeking answers as a massive tumor grew in her chest. By the time doctors diagnosed her with a rare and aggressive cancer, it had already spread to nearby lymph nodes.
Now, her grieving mother is speaking out about the warning signs she believes were missed and hoping her daughter’s story will prevent other families from experiencing the same heartbreak.
Liberty first became ill in May 2024, complaining of exhaustion, nausea and unusual breast symptoms. According to her mother, Hannah York, 41, a physician initially suspected a hormonal issue and recommended further testing.
Liberty was also diagnosed with Addison’s disease, a condition affecting the adrenal glands. When her left breast began swelling, doctors suspected mastitis, an inflammation of breast tissue, and prescribed antibiotics.
But her symptoms continued to worsen.
After five medical visits, Liberty was referred to breast specialists, who believed she had an abscess. Hannah recalled being reassured that cancer was highly unlikely.
It wasn’t until August 21, 2024, approximately three months after her symptoms began, that a biopsy revealed the devastating diagnosis: angiosarcoma, a rare cancer that develops in the cells lining blood vessels.
The tumor in Liberty’s chest weighed approximately 10 pounds.
By then, the disease had spread to her lymph nodes. According to her mother, a shortage of available beds at a specialist hospital delayed Liberty’s admission for treatment.
Her condition deteriorated so severely that she could barely walk 30 feet, and her affected breast had swollen to approximately ten times its normal size.
Hannah recalled watching helplessly as her daughter suffered without adequate pain relief.
Following an emergency room visit, Liberty was finally admitted to the hospital and underwent major surgery on September 10, 2024.
Surgeons removed the tumor, her affected breast, surrounding tissue extending toward her rib cage, and lymph nodes under her left arm.
But her recovery was complicated by pneumonia and blood clots.
By November, doctors informed the family that the cancer had spread to Liberty’s left lung and was no longer curable.
She began palliative chemotherapy, intended to slow the disease and relieve symptoms rather than eliminate the cancer.
In May 2025, another lump appeared near her surgical scar, signaling further progression. Liberty eventually made the difficult decision to discontinue treatment and return home for end-of-life care.
Her 19th birthday fell on May 30, 2025.
Although she spent much of the day sleeping, Liberty had requested a celebration inspired by the popular Netflix period drama Bridgerton.
Just two days later, in the early hours of June 1, Liberty died peacefully in her sleep at home, surrounded by the familiarity of her family home.
Hannah said one of the most painful moments came when her daughter learned she was leaving the hospital to die.
Liberty asked her mother why this was happening, a question Hannah could not answer.
More than a year after her daughter’s death, Hannah is supporting a campaign aimed at improving the recognition of cancer symptoms in children and young adults.
She believes the repeated explanations for Liberty’s symptoms cost precious time, although it has not been established whether an earlier diagnosis would have changed her outcome.
Hannah also acknowledged struggling with guilt over trusting the initial medical assessments and wondering whether she should have pushed harder for answers.
Her concerns come as the Children’s and Young People’s Cancer Association in Britain promotes new guidance through its Child Cancer Smart campaign.
Dr. Sharna Shanmugavadivel, a pediatric emergency physician involved in the initiative, warned that soft-tissue sarcoma can be particularly difficult to identify because its symptoms often resemble less serious conditions.
A growing lump may initially be mistaken for an injury, infection or harmless fatty growth. When symptoms do not improve with treatment, she emphasized, further investigation becomes especially important.
According to Sarcoma UK, angiosarcoma is extremely rare, accounting for approximately 0.05% of all cancers. It can develop in several parts of the body, including the breast, and may spread rapidly.
The organization advises people to seek medical evaluation for unexplained lumps or swelling, particularly when they are growing, painful or persistent. Most lumps are not cancerous, but early evaluation can help identify serious conditions.
For Hannah, the campaign is about making sure Liberty’s experience leads to greater awareness and potentially earlier diagnoses for other young patients.
She believes her daughter never received the opportunity she deserved to fight the disease.
“I want my awareness work to ensure that some good comes from Liberty’s death and to help other families,” Hannah said.
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Horrible and sad.