Place of Practice

RSim General & Colorectal Surgery

Practice Address

Farrer Park Medical Centre
1 Farrer Park Station Road, #13-10 Singapore 217562
Tel:(65) 6636 3493




Consultant Colorectal & General Surgeon



MBBS (S’pore), FRCS(Glasgow), FRCS(Edinburgh), MMed(Surgery), FAMS

About Dr Sim

Dr Richard Sim is a Senior Consultant General and Colorectal Surgeon. He is Past President of the Society of Colorectal Surgeons (Singapore) and is currently Treasurer of the International Society for Pelvic Floor Disorders.

His areas of interest include minimally invasive endo-laparoscopic surgery and enhanced recovery protocols.

He has also made contributions to the MOH Guidelines for the Management of Colon and Rectal Cancers and sits on the MOH Steering Committee for Colorectal Cancer Screening.

As previous medical advisor to the Colon Cancer Support Group @ TTSH, he champions patient empowerment and is actively involved in public education.

Specialized Services


Disorders of the Colon & Rectum:

  • Colon and rectal cancers
  • Benign colon and rectal tumours
  • Diverticulosis
  • Complicated diverticular disease
  • Inflammatory bowel disease (IBD) – Crohn’s disease, Ulcerative colitis
  • Other colitis
  • Colovesical / Colovaginal fistula
  • Rectovaginal / Rectourethral fistula
  • Enterocutaneous fistula
  •  Intestinal obstruction
  • Sigmoid volvulus
  • Megacolon
  • Radiation enteritis
  • Rectal carcinoid / neuroendocrine tumour
  • Rectal GIST
  • Pelvic tumours
  • Retrorectal/presacral tumours
  • Stoma creation / closure

Evaluation of:

  • Hematochezia/Blood in stool
  • Gastrointestinal bleeding
  • Faecal occult blood
  • Change in bowel habit
  • Change in stool calibre
  • Constipation
  • Diarrhoea / loose stool
  • Indigestion, bloatedness
  • Irritable bowel syndrome (IBS)
  • Loss of weight
  • Anaemia
  • Acute abdomen
  • Abdominal distension, vomiting
  • Abdominal pain / discomfort
  • Anal pain, discomfort, itch
  • Faecal incontinence


Disorders of the Anal Canal and Rectum:

  • Piles/haemorrhoids
  • Pilonidal cyst/sinus/abscess
  • Perianal sepsis/abscess
  • Anal fistulas
  • Anal fissure
  • Anal skin tags and polyps
  • Anal warts/condylomata
  • Anal cancers
  • Anal sphincter repair
  • Anovaginal fistula repair
  • Rectal prolapse
  • Rectal intussusception
  • Solitary rectal ulcer syndrome
  • Radiation proctitis
  • Transanal excision of polyps and tumours


Procedure to examine digestive tract with a camera system


  • Oesophago-Gastro-Duodenoscopy
  • Sigmoidoscopy- rigid and flexible
  • Colonoscopy – screening and surveillance


  • Hemostasis – injection, heater probe, clips, variceal band ligation, Argon Plasma Coagulation(APC)
  • Polypectomy
  • Endoscopic mucosal resection (EMR)
  • Combined endo-laparoscopic polyp removal
  • Self-expanding metallic stent (SEMS)


Disorders of the digestive tract, hernias, lumps and bumps including cancers:

  • Skin/subcutaneous lumps/abscesses
  • Excision biopsy of lymph nodes
  • Inguinal/groin hernias
  • Ventral and incisional hernias
  • Laparoscopic appendicectomy
  • Laparoscopic cholecystectomy
  • Laparoscopic bowel surgery
  • Laparoscopic lysis of adhesions
  • Laparoscopic biopsy and staging for cancers
  • Trauma and critical care
  • Emergency and acute care