№ files_lp_4_process_3_107586
Observational study data summarizing clinical, demographic, histological, and immunological characteristics of a cohort of esophageal small cell carcinoma patients.
Year of diagnosis: Prior to 2015–2019
Number of patients: 147
Sex distribution: 109 male, 38 female
Age distribution: ≤60 years: 73, >60 years: 74
Alcohol abuse: Yes: 71, No: 76
Tobacco abuse: Yes: 97, No: 50
Smoking index: ≤400: 93, >400: 54
BMI distribution: <25: 108, 25–29.9: 39
Family history of cancer: Yes: 32, No: 115
Treatment modality: Surgery alone: 48, Surgery with adjuvant therapy: 99
Tumor location: Upper: 17, Middle: 111, Lower: 19
Tumor length: <5 cm: 89, ≥5 cm: 58
Macroscopic tumor type: Superficial: 22, Protruded: 11, Medullary: 48, Mushroom: 36, Ulcerative: 19, Intracavity: 11
Histological components: Pure small cell: 116, Mixed small cell: 31
T stage: T1: 45, T2: 39, T3: 59, T4: 4
N stage: N0: 50, N1: 53, N2: 32, N3: 12
TNM stage: I: 29, II: 49, III: 69
PD-L1 expression in tumor cells (TCs): <1%: 147, ≥1%: 0
PD-L1 expression in tumor-infiltrating immune cells (TIICs): <1%: 82, ≥1%: 65
PD-L1 expression by CPS: <1: 105, ≥1: 42
CD8 density/mm²: Median 111.1, Range 7.5–1458.6
Abbreviations: BMI: body mass index; TCs: tumor cells; TIICs: tumor-infiltrating immune cells; CPS: combined positive score
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