PathWays Case Study for June 14

A 67-year-old man presents with persistent cough. Chest X-ray shows a large left-sided thoracic mass, and chest CT confirms a 17 cm pleural-based mass in the left lower lobe. The tumor is surgically resected (selected photomicrographs shown).

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Jennifer Boland Froemming, M.D.
Consultant, Division of Anatomic Pathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine


April Josselyn

April Josselyn is a Marketing Associate at Mayo Medical Laboratories. She is the editor of Mayo Clinic PathWays and supports corporate communications strategies and internal communications. She has worked at Mayo Clinic since 2012. Outside of work, April enjoys the outdoors and being "hockey mom" for her two sports-crazed boys.


NAB2 exon4 – STAT6 exon2 associated with less aggressive phenotype

NAB2 exon6 – STAT6 exon16/18 associated with more aggressive phenotype

great question

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