a newborn, termbaby,3kg, mother having no positive history,brought in half hour of delivery with grunting and severe respi distress.cried imm after birth acco to obstetrician. as baby was in intermittent apnea,and sao2-50%. baby was intubated and blood was coming out of endotracheal tube(nontraumatic intubation). baby was put on ventilator but baby sao2 was 60-70% on fio2-1 and pip-25. rates-30. xraychest was done in 3 hrs of birth which showed total whiteout in both lung fields.the sao2 never improved. usg chest ruled out possibility of cong diaphragmatic hernia. finally baby succumed to death in 20 hours as the sao2 did not improve and gradually fall down. endotracheal suction revealed bleeeding intermittently. baby conscious and passed urine 4 times and stools once. what could be the diagnosis