What is "CANCER"?? World Cancer Day poster made by Sanyam Jain [4th sem , EC ] Cancer is a large group of diseases that can start in almost all organs or tissues of the body when abnormal cell gross uncontrollably go beyond their usual boundaries to invade adjoining parts of body and spread to other organs. The letter process is called metastasizing end is the measure cause of death from cancer.A neoplarm and malignant tumor are other common names for cancer. Cancer is the second leading cause of death globally, accounting for an estimated 9.6 million deaths, or one in six deaths, in 2018. Lung, prostate, colorectal, stomach and liver cancer are the most common types of cancer in men, while breast, colorectal, lung, cervical and thyroid cancer are the most common among women . World Cancer Day, annual observance held on February 4 that is intended to increase global awareness of cancer. World Cancer Day originated in 2000 at the first World Summit Against Cancer, which