A<unk>  is a disease which has two distinct phases or components. In clinically<unk> s, the phases are generally chronologically separated. In histopathologically<unk>  tumors (also called biplastic tumors), there is neoplastic tissue which contains two different cellular elements.
Biphasic disease
Progressive disease
Heterogeneous condition
Localized disease
Chronic condition
Abarognosis
Precancerous condition
Genetic heterogeneity