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Table 1 Summary of patients characteristics at treatment start.

From: Neo-adjuvant chemo-radiation of rectal cancer with Volumetric Modulated Arc Therapy: summary of technical and dosimetric features and early clinical experience

  

RA

3DC

Number of patients

 

25

20

Males

 

76% (19/25)

65% (13/20)

Females

 

24% (6/25)

35% (7/20)

Age [years] (median and range)

 

65.4 [37, 85]

63.5 [46, 79]

Hystology

 

Adenoca

Adenoca

Stage T

T2

0% (0/25)

15% (3/20)

 

T3

84% (21/25)

75% (15/20)

 

T4

16% (4/25)

10% (2/20)

Stage N

N0

48% (12/25)

40% (8/20)

 

N1

44% (11/25)

35% (7/20)

 

N2

4% (1/25)

10% (2/20)

 

Nx

4% (1/25)

15% (3/20)

Stage M

M0

96% (24/25)

95% (19/20)

 

M1

4% (1/25)

5% (1/20)

Grade G

G1

4% (1/25)

10% 2/20)

 

G2

84% (21/25)

90% (18/20)

 

G3

12% (3/25)

0% (0/20)

Location

Low

48% (12/25)

15% (3/20)

 

Medium

16% (4/25)

45% (9/20)

 

High

36% (9/25)

40% (8/20)

Chemotherapy

Capecitabin

92% (23/25)

100% (20/20)

 

No chemio

8% (2/25)

0% (0/20)

Surgery

Pre-op

80% (20/25)

90% (18/20)

 

Post-op

16% (4/25)

10% (2/20)

 

Non-op

4% (1/25)

0% (0/20)

Radiation Dose Prescription

44 Gy/22 fractions

72% (18/25)

80% (16/20)

 

45 Gy/25 fractions

20% (5/25)

20% (4/20)

 

40 Gy/20 fractions

8% (2/25)

0% (0/20)

Radiation Boost

50.4 Gy

12% (3/25)

25% (5/20)

Dose Prescription

54.0 Gy

4% (1/25)

0% (0/20)

  1. Values are expressed in number of patients when not otherwise specified.