All of the Following Statements About Immune Responses to Tumors

Multiple Choice

All of the following statements about immune responses to tumors are true EXCEPT:

A) T cells specific for tumor antigens can be found in many human tumor patients.
B) Antibodies specific for tumor antigens can be found in many human tumor patients.
C) The presence of lymphocytic infiltrates in certain tumors is associated with a better prognosis than lymphocyte-poor tumors of the same histologic type.
D) Immunodeficient individuals are more likely to develop the most common forms of cancer than are immunocompetent individuals.
E) The host immune response is usually incapable of eradicating tumors once they are established.