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One in five cancers diagnosed in U.S. is rare

Richard Drew / AP

A new study found 1 in 5 cancers diagnosed in the U.S. is a rare cancer. The details:

  • For people 20 years or younger, two out of three cancers diagnosed are rare.
  • More Hispanic (24%) and Asian/Pacific Islander (22%) patients are diagnosed with rare cancers compared with non-Hispanic blacks (20%) and non-Hispanic whites (19%).
  • The five-year survival rate for rare cancers is poorer than that for common cancers in both males (55% vs. 75%) and females (60% vs. 74%) due to delays in diagnosis and fewer treatment options.