Three cases categorised with gland-rich feature (37.5%), 16 cases categorised with FA-like feature (80%), 4 cases categorised with PASH feature (100%), and 8 cases categorised with classic feature (66.67%) displayed weak positivity EGFR in focal areas, even in tumours with benign grade (Table 5). The gene discussed is EGFR; the disease is neoplasm.