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R/o pulmonary embolism & evaluation of the pleural masses.
CT-scan confirms the chest x-ray findings of three rounded, well defined calcified pleural masses involving the right upper lobe (two masses) and superior segment of the right lower lobe (one mass). There are other pleural calcifications (pleural plaque), highly suggestive of asbestos exposure.
Mesothelioma remains the most probable diagnosis, although this is an atypical presentation. Metastases are less probable. Biopsy is recommended.