Rare cancer diagnoses surge dramatically among millennials and Gen X

Rare cancer diagnoses surge dramatically among millennials and Gen X

Appendix cancer cases have tripled among younger generations, new research reveals

A rare type of cancer is growing among millennials and members of Generation X, new research shows. (iStock)

Cancer of the appendix is rare, affecting only about one or two people per million each year in the U.S., according to the National Cancer Institute. (iStock)

There are two main types: epithelial appendiceal cancer, which involves the cells of the lining of the appendix, and neuroendocrine appendiceal cancer, which results from the growth of neuroendocrine (carcinoid) tumors of the appendix. (iStock)