Iscuss the role of imaging for the investigation , staging and follow up of non-hodgkins lymphoma

This is a level 6 degree essay. Please you need to argue and compare the work. Which modality (CT, PET/CT, MRI, Ultra Sound, Plain Film Radiography(chest X-ray ) can be use for early diagnosis, staging of Non-Hodgkins Lymphoma.
Discussion of the role of Imaging , staging and follow-up of Non-hodgkins Lymphoma. (Advantages and disadvantage of the different modalities.)
Discussion of the role of imaging to include :
. Diagnostic value including image appearances.
. Current guidelines (RCR and NICE Guidelines).
. Consideration of patient issues in relation to the imaging investigations.