Category Nuances for null:

• secondary,
• invasive,
• positive,
• malignant,
• solid,
• advanced,
• vascular,
• primary,
• diverse,
• metastatic,
• epithelial,
• serious,
• peripheral,
• threatening,
• unusual,
• systemic,
• neoplastic,
• cellular,
• lethal,
• destructive,
• external,
• dermatological,
• common,
• related,
• orbital,
• ocular,
• animal,
• cutaneous,
• aggressive,
• cancerous,
• diagnostic,
• recurrent,
• rare,
• surgical,
• major,
• prevalent,
• terrible,
• difficult,
• adult,
• preventable,
• pediatric,
• hematological,
• hematopoietic,
• progressive,
• local,
• noncontagious,
• accessible,
• real,
• sensitive,
• active,
• individual,
• deadly,
• neural,
• severe,
• meningeal,
• anal,
• fatal,
• hereditary,
• intractable,
• resistant,
• emergent,

Simple Categories for null:

• cancer,
• malignancy,
• tumor,
• neoplasm,
• disorder,
• tumour,
• form,
• abnormality,
• pathology,
• entity,
• disease,
• carcinoma,
• illness,
• condition,