Inflammation of the endometrium due to acute or chronic infection.
Causes:

Foreign Bodies
Bacteria

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