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.
Elected at the beginning of each Congress, House Officers include the Clerk of the House, the Sergeant at Arms, the Chief Administrative Officer, and the Chaplain. House officials include the Inspector General, the Historian, the Law Revision Counsel and the Legislative Counsel.he Parliamentarian of the House is the authoritative source on legislative proceedings in the House. An appointed officer who serves as a nonpartisan adviser to members, the Parliamentarian's chief duty is to rule on procedure and to advise the House chamberâs presiding officer.