Physician Perspectives & Education

Clinical Articles & Pulmonary Insights

Evidence-based guidance written and reviewed by Dr. Soumitra Sinha Roy, addressing environmental triggers, early diagnostic clues, and modern therapeutic options for chronic respiratory diseases.

Clinically Authored & Reviewed•Author: Dr. Soumitra Sinha Roy•MRCP-PACES (UK) Examiner

Bird Fancier's Lung: How Feeding Pigeons Can Damage Your Lungs

Preventive Pulmonology & Environmental Health

September 20265 min read

Bird Fancier's Lung: How Feeding Pigeons Can Damage Your Lungs

Hypersensitivity pneumonitis (Bird Fancier's Lung) is an immune-mediated inflammation of deep lung tissue triggered by microscopic avian antigens from balcony pigeon feeding, nesting AC units, or feather bedding. Unlike asthma, it does not respond to standard inhalers. If identified early via HRCT and DLCO testing, complete antigen removal can halt and reverse the disease; if overlooked, chronic exposure progresses silently to permanent, irreversible pulmonary fibrosis.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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Pulmonary Fibrosis: What Lung Scarring Means and When Transplant Becomes a Question

Advanced Lung Disease & Transplantation

September 20267 min read

Pulmonary Fibrosis: What Lung Scarring Means and When Transplant Becomes a Question

Pulmonary fibrosis irreversibly stiffens lung parenchyma, progressively impairing blood oxygenation. Contemporary anti-fibrotic medications (pirfenidone and nintedanib) significantly slow disease progression and reduce acute exacerbations, but they cannot restore previously scarred tissue. For advanced or accelerating fibrosis, structured lung transplant evaluation must occur while the patient is still ambulatory and nutritionally preserved—waiting until an acute ICU or ventilator crisis drastically diminishes surgical viability.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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A Lung Nodule Was Found on My CT Scan — What Happens Next?

Thoracic Imaging & Diagnostics

September 20266 min read

A Lung Nodule Was Found on My CT Scan — What Happens Next?

An incidental pulmonary nodule on a CT scan is a clinical question rather than an immediate cancer diagnosis—especially across India, where healed tuberculosis and prior infections leave lifelong calcified scars. The most decisive first action is retrieving older thoracic scans for direct size and density comparison: a nodule unchanged over two to three years is almost invariably benign. Where active investigation is warranted by size or morphological risk, advanced day-care techniques like EBUS-TBNA provide definitive histological clarity without open chest surgery.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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What EBUS-TBNA Is Actually Like: A Patient's Guide to Ultrasound Bronchoscopy

Interventional Pulmonology & Procedures

September 20266 min read

What EBUS-TBNA Is Actually Like: A Patient's Guide to Ultrasound Bronchoscopy

Endobronchial ultrasound (EBUS-TBNA) is an incision-free, day-care procedure that evaluates and samples central chest lymph nodes and lung masses through natural airways under real-time ultrasound guidance. Performed under light conscious sedation with local throat anaesthesia, it replaces surgical neck incisions (mediastinoscopy) and permits same-day discharge within three to four hours. The procedure delivers high diagnostic precision, yielding adequate tissue for rapid TB GeneXpert confirmation and comprehensive cancer biomarker profiling with minimal recovery downtime.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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A Cough That Won't Go Away: What a Cough Lasting More Than Three Weeks Usually Means

Chronic Symptoms & Airway Disorders

September 20266 min read

A Cough That Won't Go Away: What a Cough Lasting More Than Three Weeks Usually Means

A cough persisting beyond three weeks is rarely an active bacterial infection, explaining why repeated empirical antibiotic courses almost universally fail. Once tuberculosis has been systematically excluded (a critical first priority in India), more than 80% of unexplained chronic coughs stem from three non-infectious, treatable etiologies: upper airway cough syndrome (post-nasal drip), cough-variant asthma, or silent gastroesophageal acid reflux (GERD). Target-specific pulmonary investigations—such as spirometry with reversibility and FeNO testing—identify the precise trigger to resolve persistent symptoms.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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Lung Cancer in India: Why It Is Found Too Late, and What Early Detection Actually Looks Like

Thoracic Oncology & Early Detection

September 20268 min read

Lung Cancer in India: Why It Is Found Too Late, and What Early Detection Actually Looks Like

Lung cancer epidemiology in India diverges sharply from Western demographic models: nearly 50% of patients have never smoked, presentations occur a decade earlier, and outer-lung adenocarcinoma predominates. Because early manifestations mirror pulmonary tuberculosis, many patients lose critical curative windows to unconfirmed empirical anti-TB regimens. Any persistent cough exceeding three weeks or unexplained chest shadow demands expedited HRCT imaging and EBUS tissue sampling, paired with reflex molecular biomarker testing for actionable EGFR and ALK genetic alterations.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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TB or Cancer? Why a Lung Nodule in India Is a Question, Not a Diagnosis

Diagnostic Pulmonology & Interventions

September 20267 min read

TB or Cancer? Why a Lung Nodule in India Is a Question, Not a Diagnosis

In India's clinical environment, an enlarged mediastinal lymph node or solitary pulmonary nodule is an open diagnostic question rather than an automatic cancer diagnosis; approximately two-thirds of evaluated lesions prove to be tuberculosis, fungal granulomas, or benign scars. Presumptive speculation in either direction risks devastating outcomes—either delaying curative oncological care or subjecting a benign patient to unnecessary lung resection. Minimally invasive EBUS-TBNA resolves both questions simultaneously in a single day-care session, routing tissue for rapid molecular TB testing (GeneXpert) alongside comprehensive cytological staging.

By Dr. Soumitra Sinha RoyReviewed Sept 2026

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