Reviewed by: Dr. Sreejata Raychaudhuri, Consultant Medical Oncologist
MBBS, MD (Internal Medicine, USA), DM (Medical Oncology and Hematology, USA)
Cancer does not always begin with pain or an obvious warning. Sometimes, it starts with a small lump, a persistent cough, unexplained fatigue, or a symptom that is repeatedly dismissed as insignificant. By the time these warning signs receive medical attention, valuable opportunities for early intervention may already have been lost.
Observed annually on 7 November, National Cancer Awareness Day serves as an important reminder that awareness, timely diagnosis, and access to appropriate treatment can significantly influence cancer outcomes.
With cancer cases continuing to rise across India, understanding the disease and recognising its early signs have become more important than ever.
The Growing Cancer Burden in India
Cancer is emerging as one of India’s most significant public health challenges.
According to estimates from the Indian Council of Medical Research (ICMR), approximately 15.7 lakh new cancer cases were projected in India for 2025, reflecting the increasing burden of the disease.
Breast, lung, oral, cervical, and gastrointestinal cancers account for a substantial proportion of cases in the country.
Several factors contribute to this growing concern, including tobacco consumption, unhealthy dietary habits, physical inactivity, environmental exposures, increasing life expectancy, and certain infections.
However, an important fact often gets overshadowed by these statistics: many cancers are preventable, and several can be treated more effectively when identified early.
The World Health Organization (WHO) estimates that approximately 38% of cancers can be prevented through existing evidence-based strategies, including reducing exposure to known risk factors.
This makes cancer awareness not merely an annual observance but an essential part of preventive healthcare.
Early Warning Signs of Cancer You Should Never Ignore
One of the greatest challenges in cancer care is that early symptoms can resemble common, relatively harmless medical conditions.
A persistent cough may be attributed to seasonal allergies. A mouth ulcer may be dismissed as a minor infection. Unexplained weight loss may be mistaken for the result of stress or dietary changes.
Although these symptoms do not necessarily indicate cancer, persistent or unexplained changes deserve medical evaluation.
Some important warning signs include:
- Unexplained weight loss: Losing weight without changes in diet or physical activity.
- Persistent lumps or swelling: Particularly in the breast, neck, armpit, or other parts of the body.
- Non-healing mouth ulcers: Mouth sores, unusual patches, or lesions that do not heal.
- Unusual bleeding: Blood in the stool or urine, abnormal vaginal bleeding, or unexplained bleeding elsewhere.
- Persistent cough or hoarseness: Especially when symptoms continue without an identifiable cause.
- Changes in bowel or bladder habits: Persistent changes that are unusual for the individual.
- Difficulty swallowing: Particularly when symptoms persist or progressively worsen.
- Changes in skin lesions: New or changing moles, unusual growths, or sores that fail to heal.
Not every symptom indicates cancer. However, ignoring persistent warning signs can delay the diagnosis of a potentially serious condition.
Seeking medical advice at the appropriate time is an important first step.
Why Early Cancer Detection Matters
The stage at which cancer is diagnosed can significantly influence treatment options, complexity, and outcomes.
When cancer is identified before it spreads extensively, treatment may be more effective, and some patients may require less intensive interventions.
In contrast, advanced-stage cancers can involve more complex treatment decisions, additional therapies, prolonged medical care, and greater physical and financial challenges.
Early detection can help in three important ways:
Better Treatment Opportunities
Certain cancers have substantially better treatment outcomes when diagnosed at an early stage. Timely identification may make curative treatment possible in cases where advanced disease would be more difficult to manage.
More Treatment Options
Depending on the cancer type and stage, early diagnosis may provide greater flexibility in choosing surgery, radiotherapy, systemic therapies, or combinations of treatments.
Improved Quality of Life
Earlier intervention can sometimes reduce treatment-related complications, preserve organ function, and improve long-term quality of life.
Importantly, not every cancer produces symptoms in its earliest stages. This is why appropriate screening is equally important.
Cancer Screening: Taking Action Before Symptoms Appear
Cancer screening involves evaluating individuals who do not have symptoms, with the aim of detecting certain cancers or precancerous conditions at an early stage.
In India, the government’s population-based screening initiatives particularly focus on oral, breast, and cervical cancers among adults aged 30 years and above.
Depending on age, medical history, family history, and individual risk factors, doctors may recommend:
- Breast Cancer Screening: Clinical breast examination and mammography, where appropriate, to identify suspicious changes.
- Cervical Cancer Screening: HPV testing, Pap testing, or other recommended screening methods to detect precancerous changes and cervical abnormalities.
- Oral Cancer Screening: Examination of the oral cavity, particularly important for individuals who consume tobacco, gutkha, or areca nut products.
- Colorectal Cancer Screening: Stool-based tests or colonoscopy for individuals meeting relevant age-based or risk-based screening criteria.
Screening recommendations vary according to individual circumstances. Consulting a healthcare professional can help determine which tests are appropriate and when they should be performed.
Can Cancer Be Prevented?
Although not all cancers can be prevented, several lifestyle and preventive measures can meaningfully reduce the risk.
Avoiding tobacco in every form remains one of the most important steps, particularly in India, where smokeless tobacco consumption contributes significantly to the burden of oral cancers.
Limiting or avoiding alcohol, maintaining a healthy body weight, engaging in regular physical activity, and following a balanced diet rich in fruits and vegetables can also help reduce cancer risk.
Vaccination against Human Papillomavirus (HPV) and Hepatitis B, when recommended, offers protection against infections associated with certain cancers.
Equally important is understanding one’s family medical history and discussing any increased cancer risk with a doctor.
Cancer prevention is not about eliminating every possible risk. It is about making informed decisions that support better long-term health.
Advancements in Cancer Diagnosis and Treatment: A New Era of Hope
Cancer care has evolved considerably over the years. Today, treatment increasingly focuses on understanding the specific characteristics of a patient’s disease rather than adopting a uniform approach for every diagnosis.
Advanced imaging technologies, molecular diagnostics, and multidisciplinary treatment planning are contributing to more personalised cancer management.
PET-CT imaging plays an important role in evaluating several types of cancer, particularly for staging, assessing treatment response, and detecting suspected recurrence when clinically indicated.
Similarly, advances in treatment have expanded the options available to eligible patients.
Chemotherapy continues to be an important component of cancer management, while targeted therapy and immunotherapy have introduced additional treatment possibilities for selected cancer types.
Modern surgical and radiation oncology techniques have also progressed towards greater precision, with an emphasis on treating cancer while limiting unnecessary damage to surrounding healthy tissues.
However, the suitability of any diagnostic investigation or treatment depends on the patient’s cancer type, disease stage, overall health, and clinical assessment.
Comprehensive Cancer Care at B. P. Poddar Hospital, Kolkata
At B. P. Poddar Hospital & Medical Research Ltd., New Alipore, Kolkata, cancer care is centred on a multidisciplinary approach that integrates clinical expertise, advanced diagnostics, and individualised treatment planning.
Our Cancer Unit brings together specialists across medical oncology, surgical oncology, and allied disciplines to evaluate and manage different types of cancer.
Advanced diagnostic facilities, including PET-CT imaging, support cancer evaluation, staging, and treatment-response assessment, while treatment options such as chemotherapy, immunotherapy, and targeted therapy are considered according to individual clinical requirements.
Beyond medical interventions, cancer care also involves nutritional guidance, symptom management, emotional support, and helping patients and their families navigate treatment decisions.
Our approach emphasises not only clinical outcomes but also the patient’s overall well-being throughout the treatment journey.
National Cancer Awareness Day 2026: Awareness Must Lead to Action
Cancer awareness is meaningful only when it translates into action.
Recognising a warning sign, discussing an unusual symptom with a doctor, undergoing an appropriate screening test, or encouraging a family member to seek medical advice may appear to be small steps.
But these decisions can make a significant difference.
This National Cancer Awareness Day, 7 November 2026, the message is simple:
Do not ignore persistent symptoms. Do not postpone recommended screenings. Do not allow fear or uncertainty to delay medical consultation.
Because when it comes to cancer, timely action can change the course of treatment—and sometimes, the course of a life.
B. P. Poddar Hospital & Medical Research Ltd.
Comprehensive Care. Advanced Infrastructure. Trusted Expertise.
For cancer-related consultations, screening guidance, or a second opinion, connect with our specialists at B. P. Poddar Hospital, New Alipore, Kolkata.
