Chapter 11- Cancer development
Cancer
body’s cells begin to divide without stopping and spread into surrounding tissuesCancer
Malignant
Cancerous tumors that can spread into or invade nearby tissues
Benign
Tumors that do not invade nearby tissues
Carcinogens
Any substance that causes cancer, such as the chemicals in tobacco smoke; and radiation, such as ultraviolet rays from the sun.
Breast cancer
Cancer that starts in the cells and/or tissues of the breast. It can occur in both men and women.
Cervical cancer
Cancer that starts in the cells of the cervix. Long-lasting infections with certain types of human papillomavirus (HPV) cause almost all cases of cervical cancer.
Colorectal cancer
Cancer that starts in the colon or rectum.
Lung cancer
Most lung cancer diagnoses are either non-small cell lung cancer or small cell lung cancer, depending on the way the cells look under a microscope. Most cases of lung cancer are caused by smoking.
Prostate cancer
Almost all prostate cancers are adenocarcinomas, cancers that begin in cells that make and release mucus and other fluids.
Skin cancer
Skin cancer is the most common type of cancer. It usually forms in skin that has been exposed to sunlight but can occur anywhere on the body.
Testicular cancer
Testicular cancer is the most common cancer in men aged from 15 to 34 years.
Tumors
growths created from extra cells dividing