QuestionSBA
QuestionChoice
In this case, the trachea would be central and the CXR changes would be bilateral. It would also present with an acute deterioration, as the name suggests.
10035481
e
Acute respiratory distress syndrome
QuestionChoice
Pneumonia would likely present with a shorter history of productive cough and fever. Additionally, the deviation of the trachea away from the opacified side makes a pleural effusion more likely.
10035479
c
Massive pneumonia
QuestionChoice
This history is suggestive of a lung malignancy, This CXR shows a large white-out of the right lung with the trachea deviated away from the opacified side, suggesting a large malignant pleural effusion.
10035477
a
Pleural effusion
QuestionChoice
This would result in a CXR with the trachea pulled towards the opacified side, rather than deviated away from the opacified side.
10035478
b
Pneumonectomy
QuestionChoice
This would result in a CXR with the trachea pulled towards the opacified side rather than deviated away from the opacified side.
10035480
d
Collapsed lung
Concept
Chapter
2693
3900
Pleural effusion
Topic
132
Respiratory
19499
Pleural effusion can result from malignancy, presenting with breathlessness and weight loss, often requiring imaging for diagnosis.
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A 68-year-old smoker has an 8-month history of weight loss. He states he noticed the weight loss as his trousers have become looser over this period, which he thinks might be due to his decreased appetite. He also mentions he is becoming increasingly breathless, both at rest and on exertion. On examination, he has greatly reduced breath sounds throughout the right lung.

His CXR is seen below:

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What is the most likely diagnosis?
a