TOPIC 22
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[Occurrence probability] [Topic drift]

Scale = 0 epochs = 1
1974-2005
TERM SCORE
lesion 1199.73
histology 1070.95
type 856.96
pancreatic 593.99
cancer 575.68
differentiate 471.75
change 420.49
feature 413.63
pathology 349.81
grade 325.45
adenocarcinoma 314.13
find 308.52
invasive 302.74
characteristic 296.36
duct 294.49


Scale = 1 epochs = 2
1974-1989
TERM SCORE
histology 787.00
type 768.76
lesion 765.14
cancer 454.49
pancreatic 343.13
differentiate 308.24
change 265.95
feature 233.50
duct 202.03
grade 201.53
find 200.94
adenocarcinoma 198.67
invasive 191.32
infiltrate 180.78
situ 178.19
1990-2005
TERM SCORE
lesion 434.59
histology 283.94
pancreatic 250.86
pathology 220.26
feature 180.13
differentiate 163.50
change 154.54
characteristic 124.59
grade 123.91
cancer 121.18
adenocarcinoma 115.45
invasive 111.42
find 107.58
cyst 98.44
duct 92.46


Scale = 2 epochs = 4
1974-1981
TERM SCORE
histology 456.11
type 397.48
lesion 394.87
cancer 257.40
pancreatic 191.09
change 166.82
differentiate 154.79
invasive 127.67
feature 126.36
duct 124.46
situ 122.66
find 114.88
grade 107.65
pancreas 105.27
microscopy 100.77
1982-1989
TERM SCORE
type 371.27
lesion 370.26
histology 330.89
cancer 197.09
differentiate 153.45
pancreatic 152.03
adenocarcinoma 143.78
feature 107.14
change 99.12
grade 93.87
find 86.05
infiltrate 83.93
duct 77.57
reveal 74.88
characteristic 74.41
1990-1997
TERM SCORE
lesion 264.53
histology 174.60
pathology 113.77
pancreatic 101.53
change 101.09
differentiate 95.60
feature 94.03
adenocarcinoma 72.70
characteristic 72.20
grade 70.31
invasive 69.87
cancer 67.60
find 59.98
cyst 55.14
type 53.59
1998-2005
TERM SCORE
lesion 170.05
pancreatic 149.32
histology 109.34
pathology 106.49
feature 86.09
differentiate 67.90
grade 53.60
cancer 53.58
change 53.45
characteristic 52.38
find 47.60
duct 44.16
cyst 43.29
reveal 43.15
adenocarcinoma 42.74


Scale = 3 epochs = 8
1974-1977
TERM SCORE
histology 260.23
type 235.63
lesion 208.33
cancer 132.15
change 93.55
pancreatic 81.27
differentiate 79.31
invasive 75.19
situ 73.84
find 65.56
duct 64.65
feature 61.71
microscopy 58.40
infiltrate 54.45
characteristic 52.42
1978-1981
TERM SCORE
histology 195.87
lesion 186.54
type 161.85
cancer 125.24
pancreatic 109.82
differentiate 75.47
change 73.26
feature 64.64
duct 59.80
grade 59.59
pancreas 53.02
invasive 52.47
find 49.31
situ 48.82
characteristic 44.93
1982-1985
TERM SCORE
lesion 196.62
type 195.73
histology 180.11
cancer 104.13
differentiate 81.33
pancreatic 78.40
adenocarcinoma 76.73
feature 52.66
grade 48.73
change 47.38
infiltrate 44.84
find 41.87
reveal 41.35
duct 40.13
characteristic 36.37
1986-1989
TERM SCORE
type 175.54
lesion 173.63
histology 150.78
cancer 92.95
pancreatic 73.63
differentiate 72.12
adenocarcinoma 67.04
feature 54.48
change 51.73
grade 45.14
find 44.17
infiltrate 39.09
stain 38.84
characteristic 38.04
duct 37.43
1990-1993
TERM SCORE
lesion 137.13
histology 96.56
change 66.87
pathology 59.68
differentiate 55.70
pancreatic 43.93
feature 43.41
grade 38.34
adenocarcinoma 37.74
characteristic 37.59
invasive 35.95
cancer 34.80
cyst 30.51
find 29.84
duct 27.40
1994-1997
TERM SCORE
lesion 127.39
histology 78.03
pancreatic 57.60
pathology 54.08
feature 50.62
differentiate 39.89
adenocarcinoma 34.96
characteristic 34.61
change 34.21
invasive 33.92
cancer 32.80
grade 31.97
type 30.45
find 30.13
cyst 24.62
1998-2001
TERM SCORE
lesion 91.65
pancreatic 79.15
histology 59.56
pathology 50.20
feature 36.95
differentiate 36.05
change 28.56
adenocarcinoma 27.32
cancer 26.28
find 25.91
invasive 25.89
characteristic 23.61
duct 22.92
cyst 22.64
grade 22.64
2002-2005
TERM SCORE
lesion 78.40
pancreatic 70.16
pathology 56.29
histology 49.77
feature 49.13
differentiate 31.85
grade 30.96
characteristic 28.77
cancer 27.29
change 24.88
find 21.69
duct 21.24
reveal 20.68
cyst 20.64
type 18.07


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