KIDNEY - Adenocarcinoma

The specimen has been cut in such a way that it is difficult to recognise kidney tissue, but there is some present towards the lower pole. The kidney is greatly expanded by tumour with a rather nodular pattern in which there are a number of areas of mucinous degeneration. The histology is that of a rather poorly differentiated adenocarcinoma which is probably why the tumour does not have the characteristic yellowish appearance of the more commonly seen carcinoma.