Small+lump
131polyp — [ˈpɒlɪp] noun [C] a small lump that grows inside your body …
132dab — I [[t]dæb[/t]] v. dabbed, dab•bing, n. 1) to pat or tap gently: I dabbed my eyes with a handkerchief[/ex] 2) to apply (a substance) by light strokes 3) to strike, esp. lightly 4) to strike lightly; make a dab; pat: She dabbed at the stain on her… …