Table 2. Clinicopathological characteristics of 11 patients with an M/T ratio <1.
| Case | Age (years) | Sex | Primary | Location | Segment | Tumor depth (mm) | Tumor diameter (mm) | Surgical margin (mm) | Local recurrence |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 49 | F | C | RL | S10 | 38.5 | 7 | 5 | No |
| 2 | 74 | M | R | RL | S10 | 30.1 | 8 | 4 | Yes |
| 3 | 63 | F | R | LL | S6 | 17.8 | 13 | 5 | No |
| 4 | 66 | M | R | LL | S10 | 35.8 | 9 | 7 | No |
| 5 | 64 | F | C | RU | S1 | 25.7 | 8 | 7 | Yes |
| 6 | 61 | F | R | RL | S6 | 27.2 | 8 | 7 | No |
| 7 | 47 | F | R | LL | S9 | 32.4 | 7 | 5 | Yes |
| 8 | 78 | M | R | RL | S10 | 31.7 | 10 | 6 | Yes |
| 9 | 63 | F | C | RM | S4 | 17.8 | 7 | 5 | No |
| 10 | 59 | F | R | LL | S6 | 32.7 | 9 | 7 | No |
| 11 | 69 | F | R | RM | S5 | 16.7 | 12 | 5 | No |
C, colon cancer; F, female; LL, left lower lobe; M, male; M/T, margin-to-tumor; R, rectal cancer; RL, right lower lobe; RM, right middle lobe; RU, right upper lobe.