Recurrent haemoptysis.

A man, 56 years of age, presents to his general practitioner after coughing up half a cupful of fresh, bright red blood every day for 1 week. He has no other medical complaints. He reports previous pulmonary tuberculosis 12 years ago treated with 6 months of standard therapy. Routine follow up was discontinued after 5 years after no evidence of reactivation. He is a nonsmoker, does office clerical duties and is not known to have diabetes or hypertension.