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.
The Secretary of the Senate. The Secretary of the Senate is elected by vote of the Senators for a two-year term. He is the Senate's administrative officer and unofficial parliamentarian. The Secretary is custodian of all bills, resolutions, records, papers and official documents filed with the Senate.