I had 15 cm tumor in my chest plus 2.5 l pleural effusion. Multiple smaller tumors. After 3 cycles of RCEOP 2 tumors were remaining, 6 and 3.6 cm. They almost did not change after 3 more cycles. 8 months passed (W&W), I had a PET CT and got a result. One tumor 2.2 cm in pleural area. I am happy.