What did Sun Yat-sen really die of? A re-assessment of his illness and the cause of his death
© The Author(s) 2016
Received: 28 June 2016
Accepted: 25 July 2016
Published: 2 September 2016
This year is the 150th anniversary of the birth of Sun Yat-sen (November 12, 1866) and the 91st year following his death (March 12, 1925). It generally has been believed that the cause of his death was “liver cancer.” However, as indicated in the official autopsy report, dated March 13, 1925, of the Peking Union Medical College Hospital (PUMCH) in Beijing, the cause of his death in reality was an adenocarcinoma of the gallbladder with direct extension to the liver and diaphragm as well as widespread metastases to the peritoneal cavity. This important piece of information seems to have never been reported in the English language literature, and it was only in 2013 that the true cause of his death was stated in a one-line sentence in a non-medical Chinese online source. It had been mistakenly believed that the cause of Dr. Sun’s death was liver cancer, based on the observations made following an exploratory laparotomy, which had been performed at PUMCH on January 26, 1925. The purpose of this short report is to provide more details relating to his terminal illness and to correct the historical record for a medical audience as to the cause of the death of Sun Yat-sen, a very important figure in the history of 20th century China.
KeywordsSun Yat-sen Terminal illness Autopsy Cause of death Adenocarcinoma of the gallbladder
“adenocarcinoma of the gallbladder with obstruction of the cystic duct; direct extension to liver and diaphragm; widespread metastasis to lungs, peritoneum, wall of ileum and colon; multiple constrictions of colon by carcinoma; healed cholecystitis; cholelithiasis; moderate generalized arteriosclerosis; slight diffuse scarring of the kidneys; cyst of left kidney; healed calcified tuberculosis of lungs; slight atrophy of heart; emphysema of lungs; ascites; pulmonary oedema; ascariosis [sic ascariasis].”
Assuming that they still exist, the original Autopsy Report and medical records relating to Dr. Sun’s illness could not be located at the time of the writing of this report. On the other hand, the Seventeenth Annual Report for the year of 1925 of PUMCH has survived , but it sheds no light on the clinical history and autopsy of Dr. Sun. In the brief clinical history of Dr. Sun’s illness drafted by Dr. Cash (Figs. 1 and 2), it was stated “that several months earlier a mass had been noted in the right upper abdomen, and that shortly before he was operated on it was noted to be larger and causing him much discomfort and weakness. Physical examination prior to his surgery revealed a large mass in the right upper quadrant of his abdomen and this was thought to be his liver. It is smooth but tender. Not much loss of weight. No fever or jaundice. Temperature 38°, Pulse, 120, BP 130/95.”
The exploratory laparotomy was carried out on January 26, 1925, by Dr. Adrian S. Taylor, Head of the Department of Surgery at PUMCH [4, 5]. It “revealed extensive involvement of the liver by carcinoma that had spread widely to the peritoneal surfaces of the abdominal viscera.” As indicated in the autopsy report, during the remainder of his hospital stay he was “treated with radium,” although no details were provided. However, as reported in The New York Times , on February 18, 1925, “against the advice of hospital authorities, Dr. Sun was removed by friends and political associates to the headquarters of the Kuomintang, the former residence of Wellington Koo, previous Foreign Minister.” Dr. Sun also acceded to the entreaties of those close to him and was treated by “old style Chinese doctors” , but his clinical condition continued to deteriorate. It was further noted in The New York Times article  that, “following his transfer from PUMCH he was growing weaker and weaker over the next few weeks, and shortly before his death he refused to accept food.” Following his death on March 12, 1925, his body was placed in a wooden coffin, covered with a blanket , and transported from the Koo residence to PUMCH, where a limited autopsy was performed by Dr. Cash on March 13, 1925 “under the watchful gaze of his son, Sun Fo, and an entourage of military generals” . Following this, “in the face of considerable opposition, the family had the courage to arrange for a Christian funeral service that was held in the beautiful auditorium of the PUMCH” .
This pattern of metastasis was entirely consistent with a diagnosis of adenocarcinoma of the gallbladder [9, 10]. In contrast, “liver” cancer, and to be more specific, hepatocellular carcinoma, has a completely different pattern of metastasis , which most frequently begins with invasion of the portal vein and from there to the lymph nodes (stage III disease), and then more distant anatomic sites including the lungs (stage IVb). As summarized by Lazcano-Ponce et al. , over 90% of gallbladder carcinomas are adenocarcinomas. Gallstones and evidence of chronic cystitis are found in almost all cases, as was the case with Dr. Sun, and most of these are well to moderately differentiated adenocarcinomas, although in the absence of the histologic sections of Dr. Sun’s tumor, we cannot make any definitive statement regarding this. However, based on its aggressive pattern of growth, it could have been a poorly differentiated adenocarcinoma. Sadly, even today, patients with stage IVb gallbladder cancer have a very poor prognosis with a 5-year survival rate of only 2% .
In summary, what is remarkable to us is that it has taken 91 years after Dr. Sun’s death to correct the historical record in the English language literature and only recently in a non-medical Chinese online source  regarding the cause of his death. Purely by chance, it was an American pathologist visiting the Sun Yat-sen Memorial in Guangzhou in early May 2016 who noticed a barely legible, one-page document and examined it closely enough to see that it was a copy of the autopsy report of Dr. Sun, and it indicated that he had succumbed to an adenocarcinoma of the gallbladder and not liver cancer. Why then was it reported on March 12, 1925 in The New York Times , TIME magazine , and a Chinese newspaper  that Dr. Sun had died of liver cancer? Most probably, it was based on the observations of Dr. Taylor, who had performed the exploratory laparotomy and found that Dr. Sun’s liver had been massively infiltrated with a malignant tumor. It was very reasonable, therefore, for him to conclude that Dr. Sun had liver cancer. However, following the autopsy on Dr. Sun, it was definitively established by Dr. Cash’s histopathologic examination that the correct diagnosis was adenocarcinoma of the gallbladder, which grossly had been noted to be stone hard . The incidence of liver cancer in present day China is 7.6 times greater than that of gallbladder cancer . Since cancer statistics for China in 1925 were not available, we can only speculate on what the difference in incidences would have been at that time, but most certainly liver cancer was more common than gallbladder cancer, and hence Dr. Taylor’s conclusion. If the information in Dr. Cash’s autopsy report had been transmitted to the press back in March 1925, there would have been no need to correct the historical record. However, to the best of our knowledge, it was not. The final take-home message is that, even today, in the age of molecular medicine with a variety of sophisticated diagnostic techniques, a carefully performed autopsy still can provide answers to important questions that otherwise would remain unanswered.
Peking Union Medical College Hospital
RFB wrote the entire manuscript. JC searched the Department of Pathology files of Peking Union Medical College Hospital for additional materials relating to the autopsy on Sun Yat-sen, retrieved Chinese articles relating to his death, and provided photomicrographs. Unfortunately, the original Autopsy Report and the clinical records could not be found at the time of the writing of this report. Both authors read and approved the final manuscript.
We thank Mr. Tong Liu, General Manager, Beijing Capture Tech Co. Ltd. for taking RFB to visit the Sun Yat-sen Memorial Hall in Guangzhou, and Xiaohui Li for translating from Chinese into English an article from a March 15, 1925 Chinese newspaper relating to the death of Dr. Sun and retrieving articles from “people.cn” relating to Dr. Sun’s death. We also thank Mr. Tom Rosenbaum, Archivist, Rockefeller Foundation Archives, Sleepy Hollow, New York, USA for searching the archives for information relating to Dr. Sun’s illness, death, and autopsy. Finally, we thank Ms. Loretta Bahn for secretarial assistance in the preparation of this Letter.
We have no financial competing interests to declare. In relation to the manuscript, we do not have political, personal, religious, ideological, academic, intellectual, commercial competing interests to declare. The authors declare that they have no competing interests.
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