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.
A Senator is a member of the US Senate and is elected to six year terms. The Senate is the upper chamber of the US Congress. A Representative is a member of the US House of Representatives and is elected to two year terms. The House is the lower chamber of the US Congress. Congressman is a term often used in place of Representative, although the Senate and House are collectively known as Congress. Congress is a general term used for both senate and House of representatives. THere are 2 Senators from each state who serve 6 year terms. The number of reps from a state depends upon its population. They serve 2 year terms.