Complex sentence: In 1976 Whimster studied the pathogenesis of lymphangioma circumscriptum, finding the basic pathologic process is the collection of lymphatic cisterns (a receptacle for holding water or other liquid) in the deep subcutaneous plane.
Split into simpler sentences: In 1976 Whimster studied the pathogenesis of lymphangioma circumscriptum. Whimster said, that the basic pathologic process is the collection of lymphatic cisterns (a receptacle for holding water or other liquid) in the deep subcutaneous plane.