Representative case of thrombus retrieved from a patient in early SOGP group showing lower expression of H3Cit (A, red), vWF (B, pink) and fíbrin (C, Martius Scarlet Blue staining, red) compared to thrombi retrieved from a patient in delayed SOGP group depicting high expression of H3Cit (D, red) and vWF (E, pink) and high content of fíbrin (F, Martius Scarlet Blue staining, red).