Lung Nodule Growth Rate Calculator
Formula:
VDT = (T × log2) / [3 × log(D2/D1)]
where T = interval (days), D1 = initial diameter, D2 = final diameter
VDT = (T × log2) / [3 × log(D2/D1)]
where T = interval (days), D1 = initial diameter, D2 = final diameter
Shorter VDT suggests more aggressive growth. Use clinical judgment.