title: Malignant thymoma causing tricuspid valve obstruction.
abstract: A 57-year-old man presenting with a retrosternal mass was found to have a malignant thymoma. This was treated with surgery and radiotherapy. It recurred 5 years later as an intra-cardiac mass causing tricuspid valve obstruction.
authors.affiliation: York District Hospital, U.K.
authors.forename: J
authors.initials: J
authors.lastname: Gunn
authors.forename: D R
authors.initials: DR
authors.lastname: Walker
authors.forename: R M
authors.initials: RM
authors.lastname: Boyle
mesh_terms: D006349:Heart Valve Diseases / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D013945:Thymoma / Q000150:complications* / Q000532:radiotherapy / Q000601:surgery; D013953:Thymus Neoplasms / Q000150:complications* / Q000532:radiotherapy / Q000601:surgery; D013997:Time Factors; D014261:Tricuspid Valve