1 In 1990, Barack Obama was elected as the first black president of the Harvard Law Review. 2  Obama, who graduated from HLS in 1991, would later represent Illinois in the U.S Senate, and in 2008 would become the 44 th President of the United States, and the first African-American president.
Most cancers in the lung are carcinomas-cancers of epithelial cells. The top pair of images shows the normal epithelium of the bronchi. This photomicrograph is greatly enlarged. The next three pairs of images show three successive stages of abnormal changes in the bronchial epithelium commonly found in smokers.
Bronchoscopy. We use bronchoscopy technology to diagnose and stage certain cancers, such as lung cancer and esophageal cancer. In this procedure, a thin, lighted tube connected to a camera (called a bronchoscope) is inserted through the patientâs mouth or nose and into the lungs.The bronchoscope helps us examine the bronchial path, including the trachea (windpipe), bronchi (tubes inside the lungs), and lungs.n this procedure, a thin, lighted tube connected to a camera (called a bronchoscope) is inserted through the patientâs mouth or nose and into the lungs. The bronchoscope helps us examine the bronchial path, including the trachea (windpipe), bronchi (tubes inside the lungs), and lungs.