Thank you. My dad was diagnosed with stage 4 lung cancer. He has gone through 6 weeks of chemo and radiation treatments. It has now been 3 months since his treatment and he had another CT scan. The scan now shows all lymph nodes normal size and no new areas of cancer. Although the tumors remain in the lungs, does this mean the cancer is gone from the lymph nodes now? Thanks so much. YYYY@YYYY
Hi. Its better you do the PET CT scan to assess the response to treatment or to see any residual disease...complete response is less likely in stage4 lung cancer. Sorry to say this. But if PET CT doe snot pick up, and he is asymptomatic, then you can just follow up...definitely review your pathology i.e., previous lung biopsy report also if complete response documented...