Chest & Cardiovascular Imaging · NEET PG Preparation Radiology
A 55-year-old chronic smoker presents with a 4 cm centrally located mass in the right upper lobe. On chest computed tomography, the mass demonstrates…
Practice question from Chest & Cardiovascular Imaging (NEET PG Preparation Radiology), with the correct answer and a step-by-step solution.
hard · MCQ · Q-A0C50E
A 55-year-old chronic smoker presents with a 4 cm centrally located mass in the right upper lobe. On chest computed tomography, the mass demonstrates encasement of the right main pulmonary artery and invasion of the superior vena cava. Which TNM T-descriptor best classifies this tumor based on vascular invasion?
- A.T2
- B.T3
- C.T4Correct answer
- D.T1c
Solution
According to the AJCC TNM staging for lung cancer, invasion of the mediastinum, heart, great vessels (such as the superior vena cava or pulmonary artery), trachea, recurrent laryngeal nerve, esophagus, vertebral body, or carina classifies the tumor as T4.
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