Description of Specimen 
At one pole of the lesion there is part of a salivary gland which however is separated from the 
tumour. The tumour itself is a yellowish colour and is homogeneous apart from an irregular area 
of haemorrhage. The tumour appears to be confined by a thin capsule. 
 History
This man presented with a rapidly growing lesion in the left submandibular gland area. 
He had a long history of congestive heart failure and diabetes. The histology of the lesion is that 
of a malignant lymphoma, diffuse, and mixed (New International Formulation).