In the 16 post mortem cases 14 (87-5%)showed evidence of metastatic disease. Thecontralateral lung was most commonly affected (75% of cases). Other affected organs included liver (n = 4), thyroid (n = 3), kidney (n = 4), adrenal (n = 3), myocardium (n = 2), and bone (n = 3). Two patients had associated peritoneal tumour deposits.