biphasic pulmonary blastoma

A rare malignant tumour of the lungs which affects adults, average age 43, and is linked to tobacco use.

Clinical findings
Asymptomatic to symptoms of nonspecific lung disease.

Imaging
Usually a large peripheral nodule.

Management
Surgical excision.

Prognosis
Poor; 16% 5-year survival.

Poor prognosticators
Tumour recurrence, metastasis at presentation, tumour > 5 cm, nodal metastasis.

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