This e-book explains the essential role of angiogenesis in the progression and spread of the neoplasm, including the mechanics of initial carcinogenesis in promoting malignant transformation. The e-book deals with specific categories or subtypes of tumors with some emphasis on astrocytomas and glioblastoma multiforme. The process of carcinogenesis has been re-interpreted in terms of deranged physiologic principles and hence reference is made to what upsets homeostatic mechanisms. Readers of this e-book will have an opportunity to appreciate the essential role of angiogenesis not only in progression and spread of the neoplasm but especially also in the mechanics of initial carcinogenesis in promoting malignant transformation. This e-book should be a useful reference for scholars and clinicians interested in learning about cancer pathophysiology.