​​​Rapid symptom assessment and diagnostic service

Also known as: consultant-led cancer referral service, cancer diagnostic referral pathway, oncology-led rapid referral service

For healthcare professionals: coordinated pathways for earlier cancer diagnosis

Our rapid symptom assessment and diagnostic service provides a streamlined, coordinated pathway for patients requiring cancer investigation. Led by oncology consultants, the service integrates expertise in multi‑cancer early detection (MCED).​

Get answers fast

See a doctor or consultant within days

Advanced imaging and tests

Quick access to leading diagnostics on-site

World-class specialists

Expert support guiding your next steps

What is our rapid symptom assessment and diagnostic service?

Our oncology‑led ​​symptom assessment and diagnostic clinic accelerates cancer diagnosis for patients presenting with concerning symptoms who don’t fit a standard pathway. We provide a coordinated route that reduces delays, uncertainty and fragmentation of care.

T​he service has been created to support earlier detection of cancer and other serious, non‑cancerous conditions in patients whose symptoms fall outside standard pathways. By referring your patients, you can facilitate faster diagnostic pathways, with every step managed by our specialist team.

We cover specialist areas such as:

  • Acute oncology
  • Cancer of unknown primary
  • Neuroendocrine tumours
  • Gastrointestinal (GI) stromal tumours
  • Upper GI cancers
  • General cancer diagnostics

Our consultants oversee a personalised diagnostic pathway that combines the latest tests and technologies with specialist expertise. This includes the interpretation of early detection cancer tests and linking results to the appropriate investigations and multidisciplinary discussions.

When you refer a patient to our clinic, they’ll access imaging scans such as:

They’ll also receive investigative support from:

  • Biopsies and pathology
  • Upper and lower GI endoscopy, bronchoscopy and endoscopic ultrasound
  • Clinical genetics assessment and molecular tumour board review
Refer your patient

Who is our rapid symptom assessment and diagnostic service for?

This service is for ​​self‑pay adult patients (aged 18 or over) who have symptoms that are concerning for a possible cancer diagnosis or serious condition. The symptoms are non-specific and do not clearly fit a site-specific referral pathway

You should consider referral if your patient has any of the following:

  • Unintentional weight loss
  • Ongoing fatigue
  • Non-specific abdominal symptoms lasting more than four weeks
  • New or worsening breathlessness not explained by heart failure, ischaemic heart disease, thromboembolic disease, chronic obstructive pulmonary disease (COPD) or infection
  • Unexplained or worsening pain, particularly back pain
  • Persistently abnormal blood tests, such as raised inflammatory markers, anaemia, thrombocytosis, abnormal liver function or hypercalcaemia
  • Imaging results suggestive of cancer
  • Significant clinical concern without a clear pathway

All referrals are reviewed promptly by our oncology consultants, who will guide the next steps and ensure your patient receives timely and coordinated care.

The benefits

The rapid symptom assessment and diagnostic service at The London Clinic is led by Dr Saoirse Dolly, Consultant Oncologist, who oversees every patient’s journey. She coordinates all necessary investigations to reach a cancer diagnosis and manages multidisciplinary meeting discussions, ensuring timely, personalised care.

Where appropriate, genomic testing is incorporated to provide comprehensive diagnostic information, enabling patients to begin treatment without delay.

Key benefits for your patients include:

  • Single referral route – streamlined entry to consultant-led rapid diagnostics
  • Coordinated testing – efficient scheduling of imaging, biopsies and genomic tests
  • Earlier diagnosis – faster turnaround and reduced uncertainty
  • Support during tests – prehabilitation for nutrition, symptom management and co-morbidities
  • Cancer of unknown primary expertise – access to complex and rare case management
  • Genetic insights – assessment for hereditary syndromes with molecular input
  • Holistic management – rapid results, early oncologist input and full management of incidental findings, including surveillance imaging
  • Reassurance – ruling out cancer or integrating MCED results into next steps

This consultant-led pathway offers speed and direct access to specialist expertise, while improving the patient journey and saving time by coordinating complex diagnostics efficiently.

How to use our rapid symptom assessment and diagnostic service

Referring a patient is straightforward. Simply enquire online or call our ​​self pay booking teams on +44 (0)20 4527 1657. You will be asked for:

  • A short reason for referral
  • Your patient’s medical history and current medications
  • Any recent test results

A shared care record summary is perfectly acceptable – there’s no need to prepare a full referral letter.

To make access as convenient as possible, our team offers virtual appointments, meaning most patients are seen within 24 to 48 hours.

We arrange scans daily, so if cancer is suspected, your patient will usually receive an answer within three days of their first appointment.

Where a biopsy or PET scan is needed, our aim is to confirm diagnosis and complete staging within two weeks. This gives your patients clarity and timely answers in line with NHS urgent referral targets.

Refer your patient today

Frequently asked questions (FAQs)

No. We see patients with concerning symptoms and, if a non-cancer condition is found, we arrange onward referral to the appropriate specialist.

Our service coordinates the most appropriate investigations, facilitates multidisciplinary team review and provides patients with early access to an oncologist, saving time and ensuring nothing is missed.

Not necessarily. We can arrange these, although having some basic results available at referral may help us progress the pathway more quickly for your patient.

You can refer patients to us with confidence. We confirm or rule out cancer, manage false positives and arrange next steps.

Yes. We assess risk, involve genetics where appropriate and arrange targeted testing or prevention programmes.

What to expect

Our rapid symptom assessment and diagnostic service provides a straightforward pathway for your patients, with defined steps before, during and after referral.

Step 1 Step 2Step 3

Patient pathways within the service

One referred and following consultation, patients typically follow one of three pathways listed below. Referring clinicians receive copies of all correspondence, keeping you fully informed and updated on your patient’s progress and discharge.
  • Biopsy to confirm diagnosis and identify cancer type
  • Staging scans and relevant blood tests
  • Multidisciplinary meeting to determine the most appropriate treatment approach
  • Referral to the specialist oncology team for treatment initiation
  • Identification of a significant but non-cancerous condition, such as infection or autoimmune disease
  • Onward referral to the relevant specialist for management
  • Reassurance is provided if no serious condition is identified
  • Discharge back to GP with recommendations for ongoing care
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Why choose The London Clinic?

Why choose The London Clinic?

Trusted for over 90 years, The London Clinic is an independent charitable hospital that reinvests into care, research, and support for those who can’t easily access private treatment.

The UK’s largest independent hospital

More patients choose The London Clinic than any other.

Top-rated by real patients

4.86/5 from over 1,600 reviews on Doctify and over 4.5 on Google.

Full intensive care on-site

World-class 13-bed ICU for expert support if your care becomes complex.

Investing in clinical excellence

Backed by Northwestern, we equip our teams with cutting-edge medical equipment.