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To stimulate greater German-Chinese cooperation in the field of oncology, the Ger man Cancer Research Center (DKFZ) carried through a "Chinese-German Sympo sium on Cancer of the Liver, the Esophagus, and the Nasopharynx" in Heidelberg from 3 to 5 July 1985. These three forms of cancer were chosen as they are extremely rare in Europe but some of the most frequently found forms in China. Almost half of the roughly 260000 cases of primary liver cancer occurring annually worldwide are Chinese; of the roughly 300000 esophagus cancers occurring annually, more than half are Chinese; nasopharyngeal cancer is roughly 100 times more frequent among Chinese people than in Caucasians. Under these circums...
Historical papers are prefixed to several issues.
We have studied 24 cases of secondarily leukemic (stage V) lymphosarcoma (LS), 31 cases of "d'emblee" leukemic LS, and ten cases of lymphoid leukemic neoplasias transitional between "d'emblee" leukemic LS and chronic lymphocytic leukemia (eLL). These cases only concern the common types ofthe WHO classification ofLS, i.e., the prolymphocytic, the lymphoblastic, and the immunoblastic. Some cases have also been classified by cell surface markers. The secondarily leukemic conversion occurred in 40% of the lymphoblastic types, in 14% of the prolymphocytic types, and in 17% of the immunoblastic types. It never occurred at stage I but could occur after any other stage. The mediastinal involvement w...