Decision-making at the end of life

Mrs. Nováková brought from the house, intubated on the scene, admitted to intensive care unit following admition to emergency department. The cause of admition was general deterioration of the condition, dyspnea and decreased level of consciousness. Chest X-ray performed on ICU showed numerous infiltrations in the lung fields with suspition of lung cancer. Which imaging method will you choose to confirm the diagnosis?
woman
RR
22 /min
HR
107 /min
SpO2
88 %
BP
105/68 (80) mmHg
EKG
rythm: sinus
action: regular
frequency: 123 bpm