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Created on December 14, 2020 By

Radiologymantra

Lung Cancer Quiz

1 / 14

Which of the following V20 lung constraints is recommended for NSCLC patients to be able to receive chemoradiotherapy?

35%

40%

45%

50%

60%

2 / 14

What is the currently recommended SBRT dose for central NSCLC?

20 Gy in 1 fraction

30 Gy in 3 fractions

60 Gy in 5 fractions

60 Gy in 3 fractions

60 Gy in 10 fractions

3 / 14

Which of the following NSCLC patients is more suitable for stereotactic body radiotherapy?

T1N0M0 surgically operable, peripheral lesion

T2N0M0 surgically operable, peripheral lesion

T1N1M0 medically inoperable, peripheral lesion

T1N0M0 medically inoperable, peripheral lesion

T1N0M0 medically inoperable, severe COPD

4 / 14

Which of the following is the recommended heart constraint for lung cancer radiotherapy?

All of the above

V 60 Gy <33%

Mean heart dose <26 Gy

V 40 Gy <50%

V 45 Gy <67%

5 / 14

What is the recommended CTV margin for lung adenocarcinoma?

5 mm

6 mm

7 mm

8 mm

10 mm

6 / 14

Which one of the following is a postoperative radiotherapy indication in NSCLC?

Positive surgical margin

Extracapsular extension

Multiple N2 (+) nodes

a, b, and c

Only a and c

7 / 14

Which one of the following is the optimal therapeutic approach for stage IIIB NSCLC?

Chemotherapy alone

Radiotherapy + adjuvant chemotherapy

Induction chemotherapy + surgery

Best supportive care

Concurrent chemoradiotherapy + adjuvant chemotherapy

8 / 14

Which one of the following is not an N2 lung lymphatic?

Subcarinal

Hilar

Subaortic

Paraesophageal

Upper paratracheal

9 / 14

Which one of the following matches is not correct for the lymphatic drainage of the lung?

Left lower lobe-subcarinal lymph node

Right lower lobe-subcarinal lymph node

Right upper lobe-contralateral mediastinum

Left upper lobe-contralateral mediastinum

Left upper lobe-ipsilateral mediastinum

10 / 14

Which of the following parameters is not used in AJCC 2010 staging of lung cancer?

Tumor size

Presence of atelectasis

Distance to the carina

Chest wall invasion

Number of involved lymph nodes

11 / 14

This syndrome is observed in superior sulcus tumors invading the costa Symptoms include lower brachial plexopathy and shoulder pain. This is called

Pancoast tumor

Horner syndrome

Eaton-Lambert syndrome

Superior sulcus tumor

Hypertrophic pulmonary osteoarthropathy

12 / 14

Which one of the following matches is correct for the paraneoplastic syndromes observed in patients with lung cancer?

All of the above

Hypertrophic pulmonary osteoarthropathy-adenocancer

Gynecomastia-large cell carcinoma

Hypercalcemia-epidermoid cancer

Inappropriate antidiuretic hormone secretion-small cell lung cancer

13 / 14

Which of the following statements is not correct concerning lung cancer?

Adenocarcinoma is the most frequent type in women

Squamous cell cancer generally starts at the main bronchi

Large cell carcinoma has a general tendency to mediastinal and brain metastasis

Large cell cancer generally starts from the central part of the lungs

Adenocarcinoma usually starts from peripheral parts of the lungs

14 / 14

Which of the following is not correct concerning lung anatomy?

The right lung has three and the left lung two lobes

The left main bronchus is shorter, thicker, and more vertical, and the right main bronchus is thinner, longer, and more horizontal

The tracheal mucosa is lined with ciliary epithelial cells to clear small foreign bodies coming in with air

The trachea extends from the C6 to T4 vertebral level

The hilar region includes the main arteries, veins, lymphatics, and nerves of the lungs

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