ICAM1 and non-small cell lung carcinoma: Among 24 tumor samples from 13 NSCLC cancer patients, the majority of tumors showed medium (staining intensity: moderate, quantity: 75% -25% ; or staining intensity: strong, quantity: <25%) to high (staining intensity: strong, quantity: >25%) immunohistochemistry staining for ICAM-1 (Fig. 1B).