RT Journal Article SR Electronic T1 Squamous cell carcinoma occurring in the wall of a chronic aspergilloma. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 542 OP 543 DO 10.1136/thx.46.7.542 VO 46 IS 7 A1 Andrew, S M A1 Bhattacharjee, M A1 Keenan, D J A1 Reid, H YR 1991 UL http://thorax.bmj.com/content/46/7/542.abstract AB An aspergilloma that occurred within an area of bronchiectasis in a 52 year old man persisted for 12 years despite medical and surgical treatment. A squamous cell carcinoma developed in the wall of the cavity.