Diagnosis of Hodgkin's Lymphoma
The doctor will take your case history, carry out physical examination and recommend laboratory tests and imaging studies.
Physical examination focuses on the location and size of all palpable lymph nodes, abnormal lung sounds, and enlargement of liver, spleen, or both. 
Laboratory studies
The doctor may recommend the following: 

 Risk factors for Hodgkin’s lymphoma
The risk factors for Hodgkin’s lymphoma are infectious agents, immunity and genetic susceptibility.
Infectious agents: Prior Infectious mononucleosis (IM) infection and Measles virus (MV) infection has been recognised as a risk factor for HL. People with HIV infection are more prone to develop Hodgkin’s lymphoma and this along with Kaposi’s sarcoma is considered as AIDS-defining cancers. This means that if a person with HIV has one of these cancers, it can signify the development of AIDS. 

There are roughly over 60 types of lymphomas which are commonly grouped as Hodgkin and non-Hodgkin. Symptoms can be general and can be seen almost anywhere in the body not just the area where the cancer is around.

Signs and Symptoms of Hodgkin's Lymphoma

Prevention of Hodgkin's Lymphoma

The exact cause of Hodgkin’s lymphoma is not yet known. The only way to prevent it is by lowering one's risk factors such as obesity, HIV etc.

Prevention of non-Hodgkin's Lymphoma

The exact cause of Hodgkin’s lymphoma is not yet known. The only way to prevent it is by lowering one's risk factors such as obesity, HIV, HTLV-1 infection etc.

Prevention of Burkitt's Lymphoma