1. Nuclear lobulation was more distinct in PTH than in P. vera, and especially in CMGM.

2. Chest X-rays and bronchoscopy could not detect any malformation of the trachea and pulmonary lobulation.

3. (Placental Malformation, NCI Thesaurus) It is characterized by defects in the neutrophil lobulation, resulting in the presence of dumbbell-shaped neutrophils with Bilobed nuclei in the peripheral blood smear