The use of multiple label immunohistochemistry in research and diagnostic pathology

this topic according Histology subject.
please write as essay, because i will present it .
it include:
1- introduction:
defin IHC
type of IHC
2- Body :
A)Write about The use of multiple label immunohistochemistry in research and diagnostic pathology
.( include some research are happened)
B)Advantage of multiple label IHC in research and diagnostic pathology
C) Disadvantage of multiple label IHC in research and diagnostic pathology
Please put Important Figures and/or Tables
D) you can write more details related my topic.
3- Conclusion
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