A 52-year-old male smoker presents with persistent cough and haemoptysis for 3 weeks. Chest X-ray shows a 3 cm mass in the right upper lobe with hilar involvement. CT chest confirms a tumour in the right upper lobe bronchus. During pre-operative staging, the surgeon needs to assess which bronchopulmonary segments are involved to plan segmental resection. Which of the following bronchopulmonary segments comprise the right upper lobe?