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Table 2 CT features of pulmonary LELC and squamous carcinomas

From: Primary pulmonary lymphoepithelioma-like carcinoma: a rare type of lung cancer with a favorable outcome in comparison to squamous carcinoma

FactorsPulmonary LELC
(n = 42)
Pulmonary squamous carcinoma
(n = 134)
P
n (%)n (%)
Location
 Right lung23 (54.8)72 (53.7)0.194#
 RUL8 (19.1)30 (22.4)
 RML6 (14.32)30 (22.4)
 RLL8 (19.1)2 (1.5)
 Hilum1 (2.4)10 (7.4)
 Left lung18 (42.9)62 (46.3)
 LUL8 (19.1)29 (21.7)
 LLL7 (16.7)24 (17.9)
 Left hilar3 (7.1)9 (6.7)
 Mediastinum1 (2.4)0 (0.0)
Median Diameter (cm)5.2 (1.5–16.5)6.2 (1.6–14.2)0.043*
 SpiculationYes25 (40.5)83 (61.9)0.014*
No17 (59.5)51 (38.1)
 LobulationYes28 (66.7)77 (57.5)0.289
No14 (33.3)57 (42.5)
 Vascular convergenceYes10 (23.8)71 (53.0)0.001*
No32 (76.2)63 (47.0)
 CalcificationYes4 (9.5)11 (8.2)0.757#
No38 (90.5)123 (91.8)
 CavityYes3 (7.1)10 (7.5)1.000
No39 (92.9)124 (92.5)
 Smooth edgedYes8 (19.0)2 (1.5)< 0.0001*
No34 (81.0)132 (98.5)
 Visceral pleural invasionYes20 (47.6)56 (41.8)0.506
No22 (52.4)78 (58.2)
 EnhancementYes32 (76.2)88 (65.7)0.202
No10 (23.8)46 (34.3)
  1. RUL right upper lobe, RML right middle lobe, RLL right lower lobe, LUL left upper lobe, LLL left lower lobe
  2. #: Fisher’s exact test
  3. *: P < 0.05