In the staging of nonsmall cell carcinoma of the lung, which of the following are true?
a) Ipsilateral hilar lymph node involvement is a contraindication to surgery
b) Malignant effusion contraindicates curative resection
c) Involvement of the pericardium indicates unresectability
d) Rib invasion is a contraindication to surgery
e) Tumour involvement of the main pulmonary veins indicates T4 disease
drishtis654321 Asked question July 12, 2021