Trayvon Martin was killed by a gunshot to the chest, which was fired from “intermediate range.” That according to an autopsy report from the Volusia County medical examiner.

The report, dated March 15th, details the injuries to Martin, 17, who was shot to death by neighborhood watch captain George Zimmerman February 26th.

The report stated that Martin suffered a penetrating gunshot wound on the left side of his chest. The entrance wound was fired at “intermediate range.” It is not clear how close that would place Zimmerman and Martin.

The report says the bullet passed through Martin’s left ventricle “from the front to the back,” and that it entered his lungs, creating “perforations.”

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The only other apparent injury to Martin was an abrasion on one of his ring fingers, about a quarter to one-eighth of an inch long.

NBC News reviewed the report on Wednesday.

Also Wednesday, ABC News obtained an exclusive copy of a medical report from Zimmerman’s personal physician the day after the shooting. The report, which NBC News also reviewed, found that Zimmerman had a “closed fracture” of the nose, indicating it was likely broken, scalp lacerations that did not require stitches, and two black eyes.

Both documents have emerged as hundreds of pages of evidence, along with 67 CDs containing photos, surveillance video — including from the 7-11 where Martin purchased iced tea and candy prior to the confrontation with Zimmerman, and from the Retreat at Twin Lakes clubhouse in Sanford, Florida — and witness interviews in the case.

Zimmerman faces second degree murder charges in the slaying.

NBC News National Investigative Correspondent Michael Isikoff, NBC News Correspondent Jamie Novogrod and msnbc.com’s Mike Brunker contributed to this report.