Table 1.

Peripheral blood and bone marrow findings at presentation compared with 3 weeks ago

	3 Weeks prior	3 Weeks after (in 2018)
Total leucocyte count per μL	9800	457 000
Differential	57% segmented neutrophils, 23% lymphocytes	4% segmented neutrophils, 11% lymphocytes, 77% atypical lymphocytes
Haemoglobin (gm/dL)/Hematocrit (%)	13.8/39.9	9.5/26.3
Platelets per μL	269 000	17 000
Bone marrow	Negative for anaplastic large cell lymphoma with maturing trilineage haematopoiesis	Involved by anaplastic large cell lymphoma, ALK−, 70% of cellularity with reduced maturing trilineage haematopoiesis
Flow cytometry	No aberrant immunophenotype	Atypical lymphocyte population expressing CD2, HLA-DR and dim cytoplasmic CD3