NCIt definition : A rare lymphoproliferative disorder that affects the lungs. It is characterized by
the presence of an angiocentric and angiodestructive polymorphic cellular infiltrate
composed of EBV-positive neoplastic B-lymphocytes and reactive T-lymphocytes. The
majority of patients present with bilateral nodular lesions in the lungs. The prognosis
depends on the histologic grade of the lesions. One third of patients with grade 1
lesions and two thirds of patients with grade 2 lesions progress to non-Hodgkin lymphoma.
Grade 3 lesions, by definition, are classified as non-Hodgkin lymphomas.;
Neoplastic status : Uncertain Malignant Potential;