Welcome to GRACE. If you're referring to the presence of a malignant pleural effusion, it would be stage IV because the cancer cells got there via the bloodstream. When a tumor directly invades the pleura, that's a different process, denoting only local spread.
Reply # - November 22, 2016, 11:16 AM
Hi dorisc,
Hi dorisc,
Welcome to GRACE. If you're referring to the presence of a malignant pleural effusion, it would be stage IV because the cancer cells got there via the bloodstream. When a tumor directly invades the pleura, that's a different process, denoting only local spread.
JimC
Forum moderator