Elongated and tortuous aorta on Chest X ray sounds like thoracic part of the aorta. This can be elongated & become tortuous from a number of causes. In an adult of his age it is likely to be due to atherosclerosis & high blood pressure. CAD is coronary artery disease. It is a type of heart disease.
MAIN IDEA â¢ Chief point an author is making about a topic. It sums up the authorâs primary message. Topic Sentence; Statement of the main idea. It is the statement under which all other material in the paragraph â examples, reasons, facts, details and other evidence â can fit. EXAMPLE: (refer to above example) Notice that all information is after the first sentence is about ways to reduce noise pollution.
While the main idea is usually in the first sentence, the next most common placement is in the last sentence of a paragraph. The author gives supporting information first and then makes the point in the last sentence. Hereâs a paragraph we can use as an example. Try to locate the topic and the main idea.