Cancer is a disease caused by the rapid and uncontrolled division of abnormal cells in the body sometimes resulting in a tumor or malignant growths. Because it can occur anywhere in the body, there are a number of different types of cancer—some more common than others. Find out more about cancer including its types, symptoms, causes, diagnosis, treatments, and prevention.

Cancer Basics

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7 Cancer Prevention Tips to Help Reduce Your Risk, According to Experts

Cancer News

Young mom with cancer holds her daughter tightly
More People Are Surviving Cancer Than Ever Before, New Report Shows

Cancer Risks

A firefighter tends to a backfire set to battle the Windy Fire on September 26, 2021 south of California Hot Springs, California. Subject is covered in thick smoke from fire.
Increased Cancer Risk Tied to Wildfires Amid Worsening Impacts of Climate Change

Explore Cancer

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What Is Cervical Cancer?
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What I Wish I Knew About Cervical Cancer Risk and Screening
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What I Wish I Knew About Palliative Care for Breast Cancer When Caring for My Mom
Sad and depressed woman sitting on the sofa at home
What Is Malaise?
Doctor comforting patient at doctor's office
Kidney Disease Patients Face Increased Risk of Developing Cancer, Study Shows
What is Leukemia Rash?
What Is a Leukemia Rash?
President Biden Cancer Moonshot Program
How Biden's 'Cancer Moonshot' Initiative Plans to Halve the Cancer Death Rate in 25 Years
Elizabeth O'Connor
How I Knew I Had Pancreatic Cancer in My 30s—and What the Journey Has Been Like
Wellness Warriors: KATHY GIUSTI 
How One Woman Used Her Multiple Myeloma Diagnosis to Fuel the Search for a Cure
Virgil Abloh Cardiac Angiosarcoma
Designer Virgil Abloh, 41, Died From Cardiac Angiosarcoma—a Rare Form of Cancer
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Influencer Kate Hudson's Daughter Eliza Dies After Battle With Rare Rhabdoid Tumor—What to Know
Tom Parker Stable Brain Tumor
'The Wanted' Singer Tom Parker Says His Brain Tumor Is Now 'Stable'—Here's What That Means
Pancreatic Cancer Found Cause of Willie Garson's Death
'SATC' Actor Willie Garson Died From Pancreatic Cancer at 57—What to Know About the Disease
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6 Cancer-Fighting Superfoods
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What Are the Symptoms of Leukemia? 10 Signs to See Your Doctor
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A Lump on My Neck Was Actually Papillary Thyroid Cancer—Here's My Story
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7 Breast Cancer Charities to Consider When Making Charitable Donations
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Anal Cancer Deaths Are on the Rise—Here's 3 Warning Signs to Look Out For
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Mark Hoppus Says He Has Diffuse Large B-Cell Lymphoma—Here's What You Need to Know About the Aggressive Cancer
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Singer Ashley Monroe Reveals Cancer Diagnosis—Here's What to Know About Waldenstrom Macroglobulinemia
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Nick Cannon's Infant Son Died After Developing Hydrocephalus From a Brain Tumor—Here's How That Can Happen
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This Woman's 'Gluten Intolerance' Turned Out to Be Uterine Cancer
Suleika Jaouad
7 Things Suleika Jaouad Wants You To Know About Living With Leukemia
Kelis' Husband Has Stomach Cancer: Here's What That Is
Kelis' Husband Mike Mora Has Stomach Cancer—What to Know About Stage 4 Stomach Cancer Causes and Symptoms
Ashley Cain's Daughter Dies of Infant Leukemia, What Are the Signs
Ashley Cain's 8-Month-Old Daughter Dies of Leukemia—What Are the Signs of Infant Leukemia?
thyroid cancer
12 Thyroid Cancer Facts Everyone Should Know
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Women of Color Die of Cancer at Higher Rates Than White Women—Here's What Experts Say We Should Do About It
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How Cancer Affects Your Ability to Get Affordable Life Insurance Coverage
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Make-a-Wish Founder Frank Shankwitz Dies of Esophageal Cancer—Here's What That Is
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Why Stage 4 Pancreatic Cancer Is So Deadly—and Why Doctors Are Still Hopeful
LOS ANGELES, CA - SEPTEMBER 09: Actress Marcia Cross attends Stand Up To Cancer 2016 at Walt Disney Concert Hall on September 9, 2016 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
Marcia Cross Had Side Effects From Anal Cancer Treatment —Here's What to Know
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What Every Woman Needs to Know About Uterine Cancer, Now That It's on the Rise
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TikTok Influencer Tia Bee Stokes Dancing Her Way Through Leukemia Hospitalized With COVID-19
150th Anniversary Of Canada's Confederation - Conversation With Alex Trebek
'Jeopardy!' Host Alex Trebek Dies at 80 After Pancreatic Cancer Battle—Here's What to Know
For 6 Years, Doctors Kept Telling Me I Had PMS—but It Turned Out to Be Brain Cancer
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Florida Reporter Victoria Price Diagnosed With Thyroid Cancer After a Viewer Spotted a Lump on Her Neck
tom-parker-glioblastoma , WESTWOOD, CA - MAY 28: Singer Tom Parker of the band The Wanted performs onstage at the 102.7 KIIS FM and E! viewing party for the premiere of "The Wanted Life" at W Westwood on May 28, 2013 in Westwood, California. (Photo by Amanda Edwards/WireImage)
'The Wanted' Singer Tom Parker Reveals He Has an Inoperable Brain Tumor on Instagram
MASTERCHEF: JUNIOR EDITION: Contestant Ben in the all-new Junior Edition: American Classics episode of MASTERCHEF airing Friday, March 16 (8:00-9:00 PM ET/PT) on FOX. (Photo by FOX Image Collection via Getty Images)
MasterChef Junior Contestant Ben Watkins Died From Angiomatoid Fibrous Histiocytoma—Here's What That Is
A Doctor Told This New Mom to Lose Weight—but It Turned Out She Had Cancer
what-is-cancer
What Is Cancer?
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One in 10 People With Any of These 3 Serious Conditions Will Be Misdiagnosed, a New Study Says—Here's Why
Tori Moore
I Lost My Job 3 Months After Being Diagnosed with Thyroid Cancer—And I'm Terrified the ACA Will Be Struck Down
WASHINGTON - SEPTEMBER 29: Associate Justice Ruth Bader Ginsburg poses during a group photograph at the Supreme Court building on September 29, 2009 in Washington, DC. The high court made a group photograph with its newest member Associate Justice Sonia Sotomayor. (Photo by Mark Wilson/Getty Images)
Ruth Bader Ginsburg Dies from Metastatic Pancreatic Cancer—Here's What That Means
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Ruth Bader Ginsburg's Cancer Has Recurred After Lesions Were Found on Her Liver—Here's What That Means
Breast cancer awareness and prevention
What It's Like to Get Breast Cancer Treatment During the Pandemic
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This 26-Year-Old's Itchy Skin Turned Out to Be a Symptom of Hodgkin's Lymphoma
Number of Sex Partners Linked to Cancer Risk - women's bodies entwined
Sleeping With More People Could Increase Your Cancer Risk
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Casual Alcohol Use Has Been Linked to Several Major Cancers—So Where's the Campaign?
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Following These 10 Steps Can Slash Your Cancer Risk by 40%
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This Woman's Red, Ring-Shaped Rash Turned Out to Be a Sign of Anal Cancer
NEW YORK, NEW YORK - DECEMBER 16: Taylor Swift poses at the world premiere of the new film "Cats" based on the Andrew Lloyd Webber musical at Alice Tully Hall, Lincoln Center on December 16, 2019 in New York City.(Photo by Bruce Glikas/FilmMagic)
Taylor Swift's Mom Was Diagnosed With a Brain Tumor: Here's What We Know So Far
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What Is Neuroendocrine Cancer?
BEVERLY HILLS, CALIFORNIA - FEBRUARY 09: Katie Couric attends the 2020 Vanity Fair Oscar Party hosted by Radhika Jones at Wallis Annenberg Center for the Performing Arts on February 09, 2020 in Beverly Hills, California. (Photo by Gregg DeGuire/FilmMagic)
How Katie Couric Learned to Care for Herself After Losing Her First Husband and Sister to Cancer
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Dance Moms Star Abby Lee Miller Has Beat Her Rare, Aggressive Cancer—Here's How
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Does Cell Phone Radiation Really Cause Brain Cancer?
Close-up Of A Woman Having Tooth Problem
Searing Toothache Misdiagnosed by Doctors, Turns Out to Be Cancer
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ESPN Reporter Edward Aschoff's Girlfriend Says He Also Had Stage 4 Non-Hodgkin Lymphoma—Here's What That Means
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Marcia Cross Reveals New Details of Her Anal Cancer Diagnosis
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What Is Leukemia?
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Signs and Symptoms of Leukemia
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What Is Lymphoma?
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What is Chronic Lymphocytic Leukemia? Experts Explain the Symptoms and Treatment Options
Bruise on woman arm. Injection bruises. Doctor and patient.
Bruising Easily: 9 Reasons This May Be Happening