Problem:
Question 1: Write a bullet point list of aspects of cancer progression.
Question 2: The matching of renal allografts by tissue typing for HLA-DR (Class II) antigens best helps to prevent
A.Amyloidosis
B.Cell lysis by CD8 lymphocytes
C.Graft versus host disease
D.CD4 lymphocyte activation
E.Serum sickness
Please Explain don't just write the answer.