If any organ fails to function satisfactorily, transplantation is the only remedy to enable the patient to live a normal life
All of the following are true w.r.t. transplantation. except
1. Tissue matching is essential before undertaking any graft
2. T-lymphocytes play an important role in graft rejection
3. Patient takes immunosuppressants for few weeks only
4. Blood group matching is important before transplantation