During her ordeal, Ms Harvey was at various times told she did not have cancer, informed that her agonising pain was caused by a back problem, and diagnosed with a torn ligament.
Lawyers acting for the family of Jeannine - who was suffering from uterine cancer of the cervix - believe the death has national implications for the diagnosis and timely treatment of cancer.
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An agency which supplies staff to the Derbyshire based retailer will be questioned by MPs today as part of an inquiry into workers' rights.
Dry overnight. Unsettled through rest of the week.
Dry tonight with some patchy fog forming. Showers developing Tuesday.