How long will someone with non small cell lung cancer with a plural effusion survive?

Poor prognosis: If it has not metastasized it is called a wet stage 3 b and in new classification it is stage 4 the prognosis is bad 9 months to a year with modern chemotherapy it is somewhat better but still very limited nber of patients survive beyond a year.

Less than a year : 40% of lung cancer patients with inoperable cancer survive a year. A malignant effusion makes it inoperable.