Hematological Malignancies

Extranodal lymphomas

Aggressive lymphomas

Indolent lymphomas

• Same principles as for nodal lymphomas

• Same principles as for nodal lymphomas

• In many organs (e.g., stomach, salivary glands, thyroid gland, CNS) lymphoma is multifocal. Hence, the whole organ is treated even if apparently only partially involved

• Whole organ is usually treated even if apparently only partially involved (for the same reasons as for aggressive lymphomas) Uninvolved nodes are not routinely included in the CTV. First echelon nodes of uncertain status close to the primary organ may be included •

• Even with modern imaging it may be difficult to accurately define the exact

extent of disease in many extranodal sites. Hence, the whole organ is treated even if apparently only partially involved