Visualization of Laterally Spreading Colorectal Tumors by Using Image-Enhanced Endoscopy

Table 1

Characteristics of lesions.

Number of lesions	47
Number of patients	45
Sex
Male	31
Female	24
Age (years)
Median	69
Range	50–80
Tumor size (mm)
Median	30
Range	20–60
Tumor location
Cecum	1
Colon	39
Rectum	7
Histopathology
Adenoma	5
m-ca	24
sm superficial (sm1^∗)	11
sm deep (sm2-3)	7

^∗sm1∶sm<1000𝜇𝑚.