It is the most common site of cancer in women, and cancer of the breast is the leading cause of death among women. Affection the age of 20 to 44 and is frequent in women at all ages now.

Higher incidence in women who have never born children, those with a family history of breast cancer [...]

Malignant neoplasm of the large bowel; 70% of cases occur in the rectosigmoid area. It is the second most common malignancy in adult. Occurs after 4th decade, peaks in the 7th decade.
Risk Factor:

Family History
Possibly related to increase fat in diet, food additives, low fiber or chronic constipation.

Symptoms:

Change in bowel habits, blood in the stool.
Vague dull [...]

Most common cancer in men, most frequent in age 50 and above.
Medical treatment: Surgical Intervention
Assessment:

Rectal Examination
Positive biopsy of prostate