4- a 64-Year-Old Man Is Found to Have Squamous Cell

4- A 64-year-old man is found to have squamous cell bronchogenic carcinoma. Which of the following statements is true regarding surgical resection?

A) An FEV1 of 2 L is a major contraindication to surgical resection.
B) Hypercalcaemia makes further assessment for surgery unnecessary.
C) Is precluded if a CT scan of the thorax shows enlarged mediastinal lymph nodes.
D) Positive sputum cytology excludes the need for bronchoscopic examination of the airways
E) The presence of finger clubbing indicates that liver metastases are already present.