An important step in evaluation of cystic lung disease is distinguishing from radiographic mimickers. Which of the following accurately describes cysts? (poll 11828868)

An important step in evaluation of cystic lung disease is distinguishing from radiographic mimickers. Which of the following accurately describes cysts?

Spherical focal lucency (>/= 1 cm diameter) with thin or imperceptible wall (

None of the above are accurate descriptors for cysts

Small gas-containing space within the visceral pleura or in the subpleural lung, not greater than 1 cm in diameter

Thick walled (>2 mm) parenchymal lucency interfaced with normal lung

Other:

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