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.
Laryngeal cancer is a malignant tumour that starts in the cells of the larynx, or voice box. Malignant means that it can spread, or metastasize, to other parts of the body. The larynx is part of the respiratory system.It is the tube that connects the throat to the trachea, or windpipe.hese cells cover the inside of the larynx. This type of cancer is called squamous cell carcinoma of the larynx. Laryngeal cancer can develop anywhere in the larynx. It often starts in the middle of the larynx, close to the vocal cords.