From: Accuracy of diffusion-weighted magnetic resonance imaging in evaluation of muscle invasion and histologic grading of the urinary bladder carcinoma
T stage
Description
T1 or <
Preserved low signal line of the normal bladder musculosa
T2
Disrupted low SI line focally in the region underlying the tumor
T3
Lesions extending beyond the low signal line into the perivesical fat
T4
Lesions extending to the adjacent organs
