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. The growth volume ratio 
. All normal stress components, 
(——), are equal in a spherical tumor of initial radius 50 µm. The maximum compressive stress is −1300 Pa. However, in an ellipsoidal tumor with axes 
µm, the 
(
) component, has a maximum compressive stress of −1200 Pa, and the 
(
) component has a maximum compressive stress of −1180 Pa.
