Table:
Neoplasia	Frequency (%)	References
Non-Hodgkin lymphoma	38.6	[224]
Chronic lymphocytic leukemia	18.4	[224]
Castleman disease	18.4	[224]
77	[225]1
Hodgkin lymphoma	0.6	[224, 226, 227]
Thymoma	6-30	[50, 228, 229]
Waldenstrom's macroglobulinemia	6	[224]
Carcinomas	8.6	[224]
Sarcomas	6.2	[224]
Malignant melanoma	0.6	[224]
Systemic mastocytosis	?	[230]

Translate the diagram into Markdown format.

| Neoplasia | Frequency (%) | References | 
 | --- | --- | --- | 
 | Non-Hodgkin lymphoma | 38.6 | [224] | 
 | Chronic lymphocytic leukemia | 18.4 | [224] | 
 | Castleman disease | 18.4 | [224] | 
 |  | 77 | [225]1 | 
 | Hodgkin lymphoma | 0.6 | [224, 226, 227] | 
 | Thymoma | 6-30 | [50, 228, 229] | 
 | Waldenstrom's macroglobulinemia | 6 | [224] | 
 | Carcinomas | 8.6 | [224] | 
 | Sarcomas | 6.2 | [224] | 
 | Malignant melanoma | 0.6 | [224] | 
 | Systemic mastocytosis | ? | [230] |