Nursing CT Chest-tumor

Nursing CT chest-tumor LLL and 2 tumors LUL. Physical exams negative. BX LLL adenocarcinoma. LLL lobectomy: 1.2cm adenocarcinoma, visceral pleura & margin involved.

LUL wedge resection: 2.5cm adenocarcinoma, margin involved. 1 level 7 subcarinal & 2 level 4L lower paratracheal nodes negative.

What is the prognostic pathological stage group? any of these answers: IIIA IIB IIA IA3