The National Cancer Center in Tokyo on Dec. 23 for the first time published the five-year survival rates of patients with various cancers, ranging in age from children under 15 to adults under 40.
The five-year survival rate of children under 15 diagnosed with leukemia, a common childhood cancer, was 88 percent. Children with a brain tumor had a lower survival rate of 74.6 percent.
For those in the AYA (adolescent and young adult) generation, that is, people between the ages of 15 and 39, diagnosed with breast cancer, the survival rate was 90 percent. Breast cancer cases are high in the AYA age group.
Patients of the AYA generation diagnosed with cervical and uterine cancer showed a five-year survival rate of 89 percent.
Of the child patients, the five-year survival rate was highest in those with a germ cell tumor, at 96.6 percent, while it was lowest in children with a bone tumor, at 70.5 percent. For the AYA generation, those with thyroid cancer showed the highest survival rate, at 99.2 percent.
Five-year survival is the percentage of cancer patients who are still alive five years after diagnosis.
Support for younger cancer patients is needed because it is especially important for them to follow the disease course over a longer period of time.
The National Cancer Center calculated five-year survival rates by extracting data on children under 15 and children of the AYA generation from the data of approximately 880,000 patients diagnosed with cancer at a total of 437 hospitals in Japan in 2013 and 2014.
5-YEAR SURVIVAL PRIZES
For children
Leukemia 88 percent
Lymphoma 90.7 percent
Brain tumor 74.6 percent
Neuroblastoma 78.6 percent
Retinoblastoma 95.4 percent
Kidney tumor 93.8 percent
Liver tumor 87.1 percent
Bone tumor 70.5 percent
Soft tissue tumor 79.3 percent
Germ cell tumor 96.6 percent
Other cancers 91 percent
For the AYA generation (only the 5-year survival rates of those diagnosed with severe cancers are shown below)
Leukemia 75 percent
Lymphoma 90.1 percent
Brain and spinal cord tumor 84.3 percent
Germ cell tumor and other cancers 95 percent
Thyroid cancer 99.2 percent
Breast cancer 90 percent
Cervical and uterine cancer 89 percent
Colorectal cancer 74.8 percent
Stomach cancer 61.7 percent
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