Nonsurgical option not offered

Is this malpractice?.. . .My son was born with a lymphatic malformation. The doctors at the hospital said he needed surgery imediately or else the LM would grow at a rapid rate and cause more issues. I asked if I should get a second opinion, and they said that they consulted with the only other pediatric surgeon associated with the hospital and they agreed. I was told it HAD to be done. After surgery, in recovery, a nurse gave my son antibiotics through the same line morphine had been given during surgery, Someone had not fully flushed line, and my son, who was not attached to monitors after major surgery began turning blue and shaking in my arms. After screaming for a nurse, he was resucitated, and had no other issues. Recently, I went to a specialist for follow-up care. I was told my son should not have had surgery, and a nonsurgical option would have been a better option. My son is left with a huge scar, and unevenness it his tissue in his arm. If a doctor does not have enough experience with a case, should they have the responsibility to a patient to refer them to a specialist? A simple google search would have led them to the correct, current treatment. Unfortunatey the hospital did not have Wi-Fi, I was medicated myself after an emergency C-section due to their negliegence (machine for meds did not function for induction and they didn't discover it until nearly 12 hours after breaking my water) to research myself.