Cancer Overview. Cancer, also called malignancy, is an abnormal growth of cells. There are more than 100 types of cancer, including breast cancer, skin cancer, lung cancer, colon cancer, prostate cancer, and lymphoma. Symptoms vary depending on the type. Cancer treatment may include chemotherapy, radiation, and/or surgery.
Points of View Reference Center provides a balance of materials from all viewpoints with main essays, leading political magazines from all sides of the political spectrum, newspapers, radio and television news transcripts, primary source documents and reference books.
(November 2009) In computer science, a reference is a value that enables a program to indirectly access a particular data, such as a variable or a record, in the computer's memory or in some other storage device. The reference is said to refer to the datum, and accessing the datum is called dereferencing the reference.