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This data table lists the most common types of cancer in the United States, and

ID: 196256 • Letter: T

Question

This data table lists the most common types of cancer in the United States, and includes information on the known or likely carcinogens, estimated cases per year, and estimated deaths per year in 2014.

Part A - Interpreting the data table

You can estimate the deadliness of each type of cancer by dividing the number of deaths by the number of cases. If nearly everyone who received a diagnosis of one particular type of cancer dies, the ratio will be near 1 (or 100% deadly). If many more people receive a diagnosis than die, the ratio will be near 0 (or 0% deadly).

Rank these three cancer types from the most deadly to the least deadly.

Cancer in the United States (Ranked by number of cases) Cancer Known or Likely Carcinogenes or Factors Estimated cases (2014) Estimated deaths (2014) Breast Estrogen; possibly dietary fat 235,000 40,400 Prostate Testosterone; possibly dietary fat 233,000 29,500 Lung Cigarette smoke 224,000 159,000 Colon and rectum High dietary fat; low dietary fiber 136,800 50,310 Skin Ultraviolet light 81,200 13,000 Lymphomas Viruses (for some types) 80,000 20,100 Bladder Cigarette smoke 74,700 15,600 Uterus Estrogen 65,000 12,600 Kidney Cigarette smoke 63,900 13,900 Leukemias X-rays; benzene; viruses (for some types) 52,400 24,100 Pancreas Cigarette smoke 46,400 39,600 Liver Alcohol; hepatitis viruses 33,200 23,000 Brain and nerve Trauma; X-rays 23,400 14,300 Stomach Table salt; cigarette smoke 22,200 11,000 Ovary Large number of ovulation cycles 22,000 14,300 Cervix Viruses; cigarette smoke 12,400 4,000 All other types 259,940 101,010 Total 1,665,540 585,720 Data from: Cancer Facts and Figures 2014 (American Cancer Society Inc.)

Explanation / Answer

Rank (Most deadly to least) :-

Pancreas > Lung > Liver > Ovary > Brain&Nerve > Stomach > Leukaemia > Colon&Rectum > Cervix > Lymphomas > Kidney > Bladder > Uterus > Breast > Skin > Prostate

CANCER TYPE DEADLINESS Breast 40400/235000 = 0.1719 Prostate 29500/233000 = 0.1266 Lung 159000/224000 = 0.7098 Colon and Rectum 50310/136800 = 0.3677 Skin 13000/81200 = 0.1600 Lymphomas 20100/80000 = 0.2512 Bladder 15600/74700 = 0.2088 Uterus 12600/65000 = 0.1938 Kidney 13900/63900 = 0.2175 Leukaemias 24100/52400 = 0.4599 Pancreas 39600/46400 = 0.8534 Liver 23000/33200 = 0.6927 Brain and Nerve 14300/23400 = 0.6111 Stomach 11000/22200 = 0.4954 Ovary 14300/22000 = 0.6500 Cervix 4000/12400 = 0.3225 All other types 101010/259940 = 0.3885 Cancer (In total) 585720/1665540 = 0.3516