Clinical and Pathologic Studies in Non-Hodgkin's Lymphoma and Hodgkin's Disease

This study collects clinical information and tissue samples from patients with non-Hodgkin's lymphoma (a type of blood cancer) and related conditions, to improve understanding of these diseases and how they respond to treatment. **You may be eligible if...** - You have been diagnosed with non-Hodgkin's lymphoma or a related blood disorder - You are willing to provide tissue samples and allow access to your medical records - You are 18 years of age or older **You may NOT be eligible if...** - You are unable or unwilling to provide informed consent - You have another serious illness that would affect your ability to participate - You do not have a confirmed diagnosis of the conditions being studied Talk to your doctor to see if this trial is right for you.