An important step in evaluation of cystic lung disease is distinguishing from radiographic mimickers. Which of the following is the most accurate description of (poll 11828414)

An important step in evaluation of cystic lung disease is distinguishing from radiographic mimickers. Which of the following is the most accurate description of

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

Thin walled (

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

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

Other:

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