The term  cancer  encompasses more than 100 diseases affecting nearly every part of the body, and all are potentially life-threatening. The major types of cancer are carcinoma, sarcoma, melanoma, lymphoma, and leukemia. Carcinomas -- the most commonly diagnosed cancers -- originate in the skin, lungs, breasts, pancreas, and other organs and glands. Lymphomas are cancers of lymphocytes. Leukemia is cancer of the blood. It does not usually form solid tumors. Sarcomas arise in bone, muscle, fat, or cartilage and are relatively uncommon. Melanomas are cancers that arise in the cells that make the pigment in skin.
Since the founding of the People's Republic of China in 1949, China has entered a new Communist era of stability, with the Reform and Opening Up policies of 1978, bringing in Chinaâs phenomenal economic growth.
Read More on This Topic. China: The Han dynasty. The Han dynasty was founded by Liu Bang (best known by his temple name, Gaozu), who assumed the title of emperor in 202 bce. Eleven members of the Liu family followed in his place as effective emperors until 6 ce (a 12th briefly occupied the throne as a puppet).