Common Types Archives

What is Wilms Tumor?

by Rally Foundation | Jan 15, 2026

Wilms tumor is a type of kidney cancer that primarily develops in children around the ages of three and four. It’s the most common type of kidney cancer found in kids. Approximately 9 out of 10 kidney cancers in children are Wilms tumors, sometimes known as nephroblastoma. There are two types of Wilms tumors that are classified by their histology, or how they look microscopically: favorable histology and anaplastic histology. A Wilms tumor with favorable histology means that, while the tumor...

Cancer in Teens and Young Adults

by Rally Foundation | Jan 9, 2026

Childhood cancer is a big problem. In the U.S. alone, 46 children are diagnosed with cancer every school day. But it doesn’t just affect school-age children -- babies, teens, and young adults can get childhood cancer, too. In the last 20 years, thanks to research, many more young children and older adults are surviving their cancers. But that’s not the case for teens and young adults. Teens and young adults are unique. Their cancers are different, their bodies are different, and they face...

What is Acute Myeloid Leukemia (AML)?

by Rally Foundation | Jan 9, 2026

Acute myeloid leukemia (AML) is a blood cancer of the myeloid cells that normally form white blood cells, red blood cells or platelets. AML originates in the bone marrow, where the leukemia cells build up and overcrowd normal cells. The leukemia cells often move into the bloodstream fairly quickly. AML is the second most common form of childhood leukemia, after acute lymphoblastic leukemia (ALL). AML is much more common in adults versus children; the average age of diagnosis is 68. There are...

What Are the Most Common Childhood Cancers?

by Rally Foundation | Sep 22, 2025

It’s no secret that adults get cancer. But children get cancer, too -- and it’s more common than you might think. Worldwide, 300,000 kids are diagnosed with cancer every year. And in the U.S., 1 in 285 children will be diagnosed with cancer before they turn 20. There are many types of childhood cancers. Some cancers are more common in children than adults, and there are some cancers that only children get. Here’s a look at some of the most common childhood cancers. Leukemia The most common...

What is Ewing Sarcoma?

by Rally Foundation | Jul 1, 2025

Ewing Sarcoma Defined Ewing sarcoma is a cancerous bone tumor that affects children, adolescent and young adults—usually developing during puberty between the ages of 10 and 20 years old. Approximately 87% of Ewing sarcomas are in the long bone, meaning the arm, thigh, shin and pelvis. On rare occasion, Ewing sarcomas can occur in soft tissue like cartilage or nerves. These are called pPNET tumors and can be found in the nerve tissue in many parts of the body; if a pPNET is found in the chest,...

What is Rhabdomyosarcoma?

by Rally Foundation | Jun 30, 2025

Rhabdomyosarcoma (RMS) is a type of soft tissue cancer that most commonly affects children and adolescents. It’s often found in skeletal muscle tissue or organs, such as the head and neck area, the urinary system, the reproductive system or appendages like the arms and legs. Rhabdomyosarcoma is part of a larger grouping of cancers called sarcomas which emerge in the body’s connective tissues, like muscles, fat, bones, blood vessels and joints. There are 50 different types of sarcomas. There...

Blog Home

20th Anniversary

Rally-Funded Discoveries

Advocacy

Childhood Cancer

Dean’s Reflections

Fundraising & Events

Press Room

Rally Stories

Research

Common Types

No Results Found

Sign up for our emails!

< Blog Home

Common Types

What is Wilms Tumor?

Cancer in Teens and Young Adults

What is Acute Myeloid Leukemia (AML)?

What Are the Most Common Childhood Cancers?

What is Ewing Sarcoma?

What is Rhabdomyosarcoma?

Sign up for our emails!

Quick Links

Contact Us