Cancer diagnoses are shifting from older to younger adults and from men to women, according to a report released Thursday by the American Cancer Society.

The increase in breast cancer rates among younger patients is occurring as the incidence of other early-onset cancers — including colorectal, gastric, kidney and liver cancer — is also on the rise, though cancer among patients under 50 is still relatively rare overall, Dr. Partridge said.

The American Cancer Society's annual cancer trend report shows cancer mortality is decreasing but cancer rates are increasing in young adults and women.

The American Cancer Society's report shows a mix of lower death rates and rising cancer incidence rates for some groups, especially younger women.

The cancer mortality rate is continuing to decrease in America, but women — especially younger women — are seeing an uptick in diagnoses, according to data released by the American Cancer Society