A 68 year old female ex-smoker has a chest x-ray as part of a septic screen. This show an ill-defined area of increased density within the left lower zone and CT is advised. CT of the thorax and abdomen demonstrates a 4cm mass within the left lower lobe suspicious for bronchogenic carcinoma. There is evidence of visceral pleura invasion and enlarged ipsilateral hilar, ipsilateral mediastinal and subcarinal lymph nodes. No other abnormality is identified.
What is the correct TNM classification for this tumour?
