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I wanted to clarify a few points to resolve some confusion. Congress doesn't pass a law to create awareness months (like Cancer Control Month or Cancer Prevention and Early Detection Month). Instead they pass resolutions. Those resolutions expire at the end of each year. Congress can choose to pass a resolution again, like they typically do with Breast Cancer Awareness Month or Colorectal Cancer Awareness Month, however the 118th Congress did not pass a resolution this year for Cancer Control Month.
Separately, the President can issue a proclamation for an awareness month. Similar to a resolution those must be reissued each year. This year the President declared that April was National Cancer Prevention and Early Detection month, not Cancer Control Month.