What does Vanishing lung syndrome mean in medical term?

Vanishing lung syndrome means: The Vanishing Lung Syndrome: An X-ray syndrome where the lungs seem to disappear. This syndrome causes a gradual decrease in radiographic transparency of the lung. The rapid progression of emphysema that causes the destruction of the lung can be caused by either infection or emphysema. Miroslav Holub (1923-1998), Czech physician, poet, immunologist and writer, published a book of poetry entitled “Vanishing Lung Syndrome”. Here’s a part of the title poem on the “vanishing lung syndrome”:
(in Medical Dictionary)

What else does Vanishing lung syndrome mean?

“scintigraphy shows

A disappearance of perfusion and angiography

Shows remnants from arterial branches

Without the capillary phase.

There may also be growing inside.

An abandoned room. “.
(in Medical Dictionary)