1 The majority of thyroid nodules are benign. 2  Thyroid nodules are more likely to be cancerous at the extremes of age and in males. 3  The most malignant thyroid cancers are seen at the extremes of age.  Most thyroid cancers are found between ages 20 to 50.
In the U.S. Congress, the parliamentarians of the House and Senate serve as formal, nonpartisan advisers to the Speaker of the House and presiding officer of the Senate respectively.
Secretary of the Senate, Daniel Alvarez. The Secretary of the Senate is one of the three officers of the Senate who are elected by the total Membership, the other two officers being the President pro Tempore and the Chief Sergeant-at-Arms. He or she is the chief parliamentarian and keeper of the legislative records.