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Table 1 Clinical summary of the 5 patients from our institute (Tianjin Medical University Cancer Hospital and Institute)

From: Factors associated with the survival of prostate cancer patients with rectal involvement

No.

Age (years)

Symptoms: bleeding/obstruction/ hydronephrosis/ dysuria

PSA (ng/ml)

Time to development of RI

Type of RI

Pathological grade of RI

Extrarectal metastases

Primary treatment modalities

Survival/survival time (months)

Radiotherapy

Hormonal therapy

1

65

Y/N/N/N

20

S

I

PD

N

Y

Y

DOD/48

2

65

Y/N/N/N

124.5

S

II

PD

Y

N

Y

AWD/18

3

68

Y/N/N/N

3.98

M

III

PD

Y

Y

N

DOD/1

4

80

N/N/N/Y

1050

S

I

MD

Y

N

Y

DOD/30

5

58

N/N/N/N

92.41

S

II

PD

N

Y

Y

AWD/62

  1. Y Yes; N no; RI: rectal involvement; DOD: dead of disease; AWD: alive with disease; S Synchronous rectal involvement at first cancer diagnosis; M Metachronous diagnosis of rectal involvement; PD = poorly differentiated; MD: moderately differentiated; Type of RI was defined according to the criteria described in the literature [11, 12].Type I means anterior rectal mass; Type II means annular rectal stricture; Type III means ulcerating anterior rectal mass; Type IV means separate metastasis to rectum.