People who take aspirin at least three times per week are more likely to survive bladder cancer.
Regular aspirin use also was associated with a reduced risk of death from breast cancer.
However, taking aspirin had no effect on a person's risk of getting several forms of the disease.
These diseases include bladder, breast, gastrointestinal or pancreatic cancers.
Aspirin also did not reduce a person's risk of death from gastrointestinal or pancreatic cancer.