Quando operare??? L. Toniolo Chir. Tor. CFVto N0 N1 N2 N3 Stadio IIIA (N2) Subsets IIIA 1 Metastasi “single station” identificate all’esame istologico definitivo (metastasi linfonodali microscopiche occulte) IIIA 2 Metastasi “single station” riconosciute intraoperatoriamente IIIA 3 N2 potenzialmente resecabile (identificato preoperatoriamente) IIIA 4 N2 “bulky multistation” non resecabile Eterogeneità dell’ N2 Single N2 disease significantly better survival than multiple N2 disease Tumor in the upper lobe significantly longer survival than with middle/lower lobe involvement Single N2 disease with NSCLC in the upper lobe good candidates for pulmonary resection (3- and 5-y survival 74,9% and 53,5%) Inoue M - J Thorac Cardiovasc Surg. 2004 Apr.; 127(4): 1100-6 N2 sottocarenale Surgery for pts with T1-3 N2 NSCLC might be accettable if subcarinal lymph node metastasis is predicted to be absent Iwasaki A - J Thorac Cardiovasc Surg. 2006 Feb; 54(1): 42-6 Skip phenomenon M1 adenoca Adenoca T2 N0 Stadio IIIA (N2) Subsets IIIA 1 single-station metastases identified on the final pathological examination (occult microscopic nodal metastases) IIIA 2 single-station metastases recognized intraoperatively IIIA 3 potentially resectable N2 (identified preoperatively) IIIA 4 unresectable bulky multistation N2 disease pN – Linfonodi regionali pN0 Linfonodi liberi da malattia pN1 Metastasi ai linfonodi ilari, peribronchiali o intrapolmonari ipsilaterali pN2 Metastasi ai linfonodi mediastinici omolaterali pN3 Metastasi ai linfonodi controlaterali (ilari o mediastinici) o ai sovraclaveari