It would be a negative margin wouldn't it.

A corresponding negative margin will bring content below the columns back into its proper position.

Every attempt should be made to resect the primary tumor with negative margins before or after chemotherapy.

Every attempt should be made to resect the primary tumor locally with negative margins.

(For an aircraft this may be described as negative static margin.)

(In aircraft analysis it may be described as negative static margin.)

In missile analysis this is defined as negative static margin.

In contrast, guided missiles usually have a negative static margin for increased maneuverability.

At present, it appears that treatment by complete surgical resection with negative margins alone is appropriate and adequate.

"At its worst, it could be negative margins."