During the procedure the patient was provided with some relief of obstruction by placing a stent and then patient was extubated and hopsital course was complicated by a post obstructive pneumonia.
 the patient had hospital acquired pneumonia
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( ( During ( the procedure ) ) ( ( the patient ) ( ( was ( ( provided ( with ( ( some relief ) ( of obstruction ) ) ) ) ( by ( ( ( placing ( a stent ) ) and ) ( then ( ( ( patient ( was extubated ) ) and ) ( ( hopsital course ) ( was ( complicated ( by ( a ( post ( obstructive pneumonia ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
( ( the patient ) ( had ( hospital ( acquired pneumonia ) ) ) )