Liberty York, a 19-year-old from Stratford-upon-Avon, died from a rare angiosarcoma after a 10lb tumour was repeatedly misidentified by medical professinoals.. Her mother, Hannah York, is now supporting a campaign to improve early diagnosis for young cancer patients.
The three-month delay before Liberty York's August 21 biopsy
The medical journey of Liberty York began in May 2024, when she first experienced nausea and fatigue. According to the report, these symptoms were followed by unexplained issues in her breast, which doctors initially attributed to hormonal problems. Because Liberty York had previously been diagnosed with Addison's disease, a rare autoimmune condition, her family and physicians initially suspected the new symptoms were linked to that existing health struggle.
As the condition progressed, the left breast of Liberty York began to swell, becoming red and painful. The attending GP suspected mastitis and prescribed antibiotics; when those failed, the diagnosis shifted to an abscess. Throughout this period, Liberty York was told it was highly unlikely that she had cancer. It was not until August 21, 2024, that a biopsy finally revealed she was suffering from angiosarcoma, an aggressive soft-tissue cancer.
A 10lb tumour and the shortage of specialist hospital beds
By the time the angiosarcoma was identified, the tumour had grown to 10lb (4.5kg), causing the breast of Liberty York to swell to ten times its normal size. As reported, Liberty York was sent home in severe pain because there were no available beds at a specialist hospital. At this stage, she was unable to walk more than 10 metres (33ft) and had received no medication for her agony.
After an emergency trip to A&E, Liberty York finally secured a bed and underwent a major operation on September 10. Surgeons removed the tumour, the breast, surrounding tissue down to the ribcage, and all lymph nodes in her left armpit. Despite the surgery, the cancer proved too aggressive, spreading to her left lung within six weeks. Liberty York eventually stopped palliative chemotherapy in May 2025 and passed away at home on June 1.
Why 7 per cent of childhood cancers are often misidentified
The tragedy of Liberty York has become a catalyst for the Child Cancer Smart campaign, led by CCLG: The Children & Young People's Cancer Association. This initiative is launching new guidelines to help healthcare professionals recognize soft tissue sarcomas more quickly. According to the charity, these specific cancers account for approximately 7 per cent of all childhood cancers.
The difficulty in detection stems from the fact that symptoms of soft tissue sarcomas often mimic more common, less lethal conditions. This pattern of misdiagnosis is a recurring issue in pediatric oncology, where the rarity of the disease often leads clinicians to overlook the possibility of malignancy in favor of more frequent diagnoses like hormonal imbalances or infections.
The missing answers regarding the GP's initial mastitis diagnosis
While the report outlines the sequence of errors, it leaves several critical questions unanswered. Specifically, it is unclear why the GP persisted with a mastitis and abscess diagnosis despite the failure of antibiotics and the rapid growth of the mass. furthermore, the report does not specify which specialist hospital lacked the beds required to treat Liberty York, nor does it explain the failure to provide pain medication during her interim period at home.
Hannah York has expressed a sense of guilt for trusting the medical professionals and not pushing harder for a diagnosis. However, the lack of a formal explanation from the healthcare providers involved means the exact breakdown in clinical judgment remains unverified.
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