Deaths from<unk> s and multiple myeloma per million persons in 2012<unk>  is the most common form of hematological malignancy, or "blood cancer", in the developed world. Taken together,<unk> s represent 5.3% of all cancers (excluding simple basal cell and squamous cell skin cancers) in the United States and 55.6% of all blood cancers. According to the U.S. National Institutes of Health,<unk> s account for about 5%, and Hodgkin<unk>  in particular accounts for less than 1% of all cases of cancer in the United States. Because the whole lymphatic system is part of the body's immune system, people with a weakened immune system such as from HIV infection or from certain drugs or medication also have a higher number of cases of<unk> .
Lymphoma
Cat-scratch disease
Thymoma
Paracoccidioidomycosis
Thyroid nodule
Meningioma
Myoma
Branchial cleft cyst