Allergy
Abnormal hypersensitivity acquired by exposure do an antigen
Acquired immunodeficiency syndrome
Group of clinical signs and symptoms associated with suppression of the immune system and marked by opportunistic infections, secondary neoplasms, and neurologic problems
Lymphoma
Malignant tumor of lymph nodes and lymph tissue
Multiple myeloma
Malignant tumor of bone marrow cells
Thymoma
Malignant tumor of the thymus gland