EGFR and lung carcinoma: Recently used peptides for lung cancer targeting include the cell-penetrating peptides, iRGD peptide sequence, bombesin peptide, somatostatin peptide sequence, FSH-33 (Follicle-stimulating hormone analog), fibroblast growth factor peptide (tbFGF), peptides targeting epidermal growth factor receptor (EGFR), peptide GFE, peptide F3 [200].