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.

Types of Cancers

Overview Illustration - Cervical Cancer
What Is Cervical Cancer?

Understanding Oncological Terms

Explore Cancer

Symptoms of Tonsil Cancer
Signs and Symptoms of Tonsil Cancer
Common Symptoms Of Gallbladder Cancer
Signs and Symptoms of Gallbladder Cancer
doctor and cancer patient sitting on the couch while doctor hands them medication
What Causes Leukemia?
Common Uterine Cancer Symptoms
Signs and Symptoms of Uterine Cancer
woman at doctor talking
HPV Testing May Replace Pap Smears for Many Women—What to to Know Before Your Next Gyno Visit
Possible Bile duct Cancer Symptoms Include
Signs and Symptoms of Bile Duct Cancer
poke bowl with salmon, rice, seeds
Eating More Omega-3 and Omega-6 Fatty Acids May Reduce Risk of 14 Different Cancers
Person with cervical cancer discussing treatment options with doctor
How Is Cervical Cancer Treated?
A shopper looks at shelves of vegetables wrapped in plastic.
The Hidden Dangers of Plasticizers: How These Everyday Chemicals Could Impact Your Health
Small Intestine Cancer Can Cause
Signs and Symptoms of Small Intestine Cancer
Young Asian woman cancer patient wearing a gray cardigan, gray beanie, is outside and sitting in a wheelchair.
The 5 Types of Leukemia
man having stomach pain
The 3 Biggest Misconceptions About Pancreatic Cancer—Knowing These Could Save Your Life
Nurse talking to older person with cancer about adjuvant therapy
Does Adjuvant Therapy Prevent Cancer Recurrence?
woman meditating on the floor
4 Things Oncologists Do Regularly to Lower Their Cancer Risk
Gum Cancer Symptoms May Include
Signs and Symptoms of Gum Cancer (Gingiva Cancer)
woman applying skincare while holding mirror
Study: Some Popular Acne Treatments Contain High Levels of Cancer-Causing Chemical
Gynecologist talking to patient about cervix and cervical cancer
What Causes Cervical Cancer?
Symptoms of Osteosarcoma
Signs and Symptoms of Osteosarcoma
Patient speaks with doctor about her concerns
Common Endometrial Cancer Screening Test May Miss Cases in Black Women, Research Shows
Nurse examining transgender woman
Transgender People May Be at a Higher Risk for Certain Cancers, But Aren’t Getting Screened
person holding a plate of raspberries, strawberries, blueberries, and blackberries
How To Recognize and Manage Oxidative Stress
H. pylori computer illustration.
What to Know About H. Pylori, the Pathogen That Causes the Most Cancer Cases Worldwide
Symptoms of Heart Cancer
Signs and Symptoms of Heart Cancer
A person passing marijuana to another person.
Heavy Cannabis Use May Increase the Risk of Head and Neck Cancers
A doctor and patient talk
What To Know About Anal Cancer
spraying pesticides on lemons
Study: Pesticides May Increase Risk of Some Cancers as Much as Smoking
Young female patient talking with an experienced doctor at the doctor's office.
Study: Gen X, Millennials Have a Higher Risk of Developing These 17 Different Cancers
Health Photo Composite - Tongue Cancer
Signs and Symptoms of Tongue Cancer
Young adult woman with depression sitting at home alone
Many People Fear a Cancer Diagnosis More Than Any Other Disease—Here's How to Reduce Your Anxiety
Family together having a cookout at home, grilling hot dogs and hamburgers.
Can Grilling Meat Raise Your Cancer Risk? Experts Weigh In
A person holding a cigarette and shot glass.
Study: Nearly Half of All Cancer Cases in the U.S. Are Linked to Risk Factors We Can Control
person with mesothelioma seeing an x-ray of their lungs
Mesothelioma
Daughter embracing her mother, a cancer patient.
New Research Predicts Generation X Could Have 'Unacceptably High' Cancer Rates
Health Photo Composite - Bone Cancer
Signs and Symptoms of Bone Cancer
A dish with three shishamo fish
Eating Small Fish Might Offer Big Benefits for Longevity, Study Shows
person with pancreatic cancer talking to doctor
What Is Pancreatic Cancer?
Man driving a car.
Flame Retardants Lurking in Your Car Could Increase Exposure to Carcinogens, Study Shows
man putting his hand on his lower back
Signs and Symptoms of Kidney Cancer
female patient talking to doctor
New Research Shows Accelerated Aging Linked to Increased Cancer Risk in Younger Adults
Health Photo Composite - Liver Cancer
Signs and Symptoms of Liver Cancer
person with oral cancer symptoms
Signs and Symptoms of Oral Cancer
woman checking blood pressure Nazar Abbas Photography
How Worsening Metabolic Syndrome—Including High Blood Sugar, Hypertension, and Obesity—Can Impact Cancer Risk
Health Photo Composite - Multiple Myeloma
Signs and Symptoms of Multiple Myeloma
woman comforting daughter with stage 4 cancer
What Is Stage 4 Cancer?
doctor performing bone marrow biopsy
What Is a Bone Marrow Biopsy?
Health Photo Composite - Throat Cancer
Signs and Symptoms of Throat Cancer
Doctor talking to patient
More Young People Are Getting Cancer, And Other 2024 Cancer Stats You Need to Know
two women hugging at a cancer support group meeting
What Are the Most Curable Cancers?
Isabella Strahan, Michael Strahan, Sophia Strahan
What Is Medulloblastoma? Michael Strahan’s Daughter Diagnosed With Rare Cancerous Brain Tumor
close-up of woman drinking alcohol alone
How Does Alcohol Cause Cancer?
person with bone marrow cancer talking to doctor
What Is Bone Marrow Cancer?
person with myelofibrosis experiencing fatigue and fever
What Is Myelofibrosis?
'Here Comes Honey Boo Boo' cast
What Is Adrenal Cancer? Anna 'Chickadee' Cardwell's Cause of Death, Explained
Health Overview Illustration - Tongue Cancer
What Is Tongue Cancer?
person getting a colposcopy biopsy in a gynecologist's office
What Is a Colposcopy Biopsy?
X-ray of the brain on a computer
Signs and Symptoms of a Brain Tumor
person with blood cancer experiencing fatigue and fever
Signs and Symptoms of Blood Cancer
Man holding toilet paper roll in bathroom
Signs and Symptoms of Anal Cancer
Doctor using digital tablet to talk to senior man
Signs and Symptoms of Penile Cancer
Mother and daughter making a salad
Study: Lifestyle Recommendations Linked to Lower Cancer Risk
older person with vaginal cancer experiencing pelvic and stomach pain
Signs and Symptoms of Vaginal Cancer
A man with lipomas - benign tumors on the body. multiple lipomas
Signs and Symptoms of Lipoma
Woman at the dentist
Regular Dental Visits Linked to Increased Survival Rate for Head, Neck Cancer Patients