Advice needed from oncosurgeon. My father undergone tongue surgery in march 2023 dat tym Dr. Were removed 15 nodes. And radiation and chemotherapy is done. We did pet scan in sep reports are normal. Again we did pet scan in dec dat reports says few minimally enhancing enlarged left level 3 and left level 4 cervical group of lymph nodes noted largest in the left level 3 approximately measures around 0.9�0.7 cm,suvmax 4.54 and the largest lesion in left level 4 approximately measures around 0. 9�0.7 cm,suvmax 5.85.some doctors say only do chemotherapy n other Dr. said need to do operation but lymph nodes are very small. We are in confusion sir .pls suggest us. What we need to do nw. Tq sir.