Mortality trends and demographic patterns in malignant neoplasms of independent primary multiple sites in United States, 1999-2023: Analysis of national data from CDC WONDER database.
589 Background: Multiple Primary Cancers (MPCs), defined as two or more independent malignant tumors arising in the same or different organs, represent an emerging and increasingly complex challenge in oncology. To date, no national-level analysis has specifically characterized mortality trends for ICD-10 C97 a...