Of the common causes for exudative pleural effusions, parapneumonic effusions have the highest diagnostic priority. Even in the face of antibiotic therapy, infected pleural effusions can rapidly coagulate and organize to form fibrous peels that might require surgical decortication.
Retrogradation is the landward change in position of the front of a river delta with time.etrogradation is the landward change in position of the front of a river delta with time.
What does retrograde maneuver mean? A retrograde operation is an organized movement to the rear away from the enemy. The force executes retrogrades to accomplish one or more of the following: To disengage from â¦ combat.