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Table 4 Frequencies with and without a tumor

From: Enhanced frequency analysis on a vibrated tumor with a compression cylinder

Measurement point Peak frequency Hz Difference from average of no tumor (47.5 Hz) Hz
No tumor Tumor
(A) Center of the tumor 47 53 + 5.5
(B) Inside the tumor (Half the tumor) 48 50 + 2.5
(C) Inside the tumor (Outside the tumor) 47 48 + 0.5
(D) Inside the tumor (Far) 48 48 + 0.5
(E) Under the cylinder 48 48 + 0.5
(F) Outside the cylinder 47 47 − 0.5