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.
Retroflexion means bending backward. The medical term meaning backward is Retro. Retrocollis is a type of Dystonia in which abnormal movements force the head backward onto theâ¦ shoulders.