A surgical access port for accessing a cavity of a patient comprising an outer frame having first and second frame portions, at least one of the frame portions movable with respect to the other frame portion. The outer frame has a first length defined along a longitudinal axis, wherein movement of at least one of the frame portions away from the other frame portion increases the outer frame to a third length greater than the first length. An inner member has an access opening and a lip adjacent the opening, the lip extending proximally toward the outer frame for positioning in an access incision of the patient. A flexible member extends between the outer frame and inner member, the flexible member movable by movement of at least one of the frame portions.