“…9,10,12 In seven cases (including the present case) pulmonary vessels were found within or in close proximity to the tumour. 10,11,14,16,20 Three cases (including the present case), were malignant: two of these showed lymph node metastases 18,19 whereas the tumour in the present case showed invasive growth but was not associated with lymph node metastases. The lesions were benign in all the other cases.…”