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Table 2 Pathological features

From: Morphologic and molecular study of lung cancers associated with idiopathic pulmonary fibrosis and other pulmonary fibroses

Patient

Cancer type

Cancer differenciation

Diagnostic immunohistochemistry (IHC)

Therapeutic IHC

TTF1

p40/p63

others

ALK

ROS1

PDL1

Idiopathic pulmonary fibrosis

 P1

SCC

keratinizing

/

/

 

/

/

/

 P2

SCC

nonkeratinizing

TTF1-

p40+

 

/

/

/

 P3

SCC

basaloid,

/

p63+

CK7-

/

/

<1%

keratinizing

 P4

SCC

keratinizing

TTF1-

p40+

 

/

/

5%

 P5

SCC

nonkeratinizing

TTF1-

p63+

NapsinA- CK5/6+

/

/

/

 P6

SCC

keratinizing

TTF1-

p63+

 

/

/

/

 P7

SCC

keratinizing

TTF1-

p40+

 

/

/

10%

 P8

SCC

nonkeratinizing

TTF1-

p40+

 

/

/

0%

 P9

ADC

acinar

TTF1+

 

CK7+

neg

/

/

 P10

ADC

acinar

TTF1-

p63-

 

/

/

/

 P3

ADC

solid

TTF1+

p63-

 

neg

neg

<1%

 P11

ADC

NS

TTF1-

p63-

NapsinA+

/

/

/

 P12

ADC

mucinous

TTF1-

/

CK7+ CK20+

neg

/

/

 P13

ADC

acinar

TTF1+

p40-

CK7+ CD56-

neg

neg

1%

 P14

ADS

acinar

TTF1-

p40+

CK7+

neg

neg

20%

 P15

ADS

papillary

TTF1+

p40+

 

neg

neg

15%

 P16

LCNEC

/

TTF1-

/

chromoA+ CD56+

/

/

/

synapto + CK5/6-

 P30

SmCC

/

TTF1+

/

chromoA+ CD56+

/

/

/

synapto+

Connective Tissue Disease-Interstitial Lung Disease

 P18

SCC

keratinizing

TTF1-

p40+

 

/

/

40%

 P20

ADC

papillary

TTF1+

/

 

neg

neg

<1%

 P21

ADC

solid

TTF1+

p40-

 

neg

neg

70%

 P24

ADS

solid

TTF1+

p40+

 

neg

neg

10%

 P23

ADC

solid

TTF1+

p63-

NapsinA+

/

/

/

 P22

ADC

acinar

TTF1+

/

CK7+

neg

neg

0%

Non-specific interstitial pneumonia

 P25

ADC

acinar

TTF1+

p40+

 

neg

neg

<1%

 P26

ADC

papillary

TTF1+

/

 

neg

neg

1%

Pneumoconiosis

 P17

SCC

keratinizing

TTF1-

p40+

 

/

/

1%

 P27

ADC

solid

TTF1+

p40+

 

/

/

/

 P19

SCC

nonkeratinizing

TTF1-

p63+

CK5/6+

/

/

/

 P29

SmCC

/

TTF1-

/

CD56+

/

/

/

Drug-induced lung fibrosis

 P28

ADC

acinar

TTF1+

/

NapsinA+

/

/

/

  1. ADC adenocarcinoma, ADS adenosquamous carcinoma, LCNEC large cell neuro-endocrine carcinoma, SCC squamous cell carcinoma, SmCC small cell carcinoma